Opóźniony fazowy sen
Objawy

Opóźniony fazowy sen (Delayed Sleep Phase Disorder, DSPD) to zaburzenie rytmu okołodobowego charakteryzujące się przesunięciem fazy snu o co najmniej 2 godziny względem społecznie akceptowanych godzin, najczęściej manifestujące się trudnościami z zasypianiem między 1 a 6 rano oraz problemami z porannym budzeniem. Objawy utrzymują się przewlekle, minimum 3 miesiące, i obejmują chroniczną senność dzienną, zaburzenia koncentracji, pamięci oraz funkcji wykonawczych. DSPD dotyka głównie nastolatków i młodych dorosłych (7-16% w tej grupie), choć występuje także w populacji ogólnej (0,17-1,51%). Patofizjologia obejmuje opóźnione wydzielanie melatoniny, przesunięcie minimum temperatury ciała o około 2,5 godziny oraz wydłużony wewnętrzny cykl okołodobowy (tau). Zaburzenie to często współwystępuje z ADHD (47,6% pacjentów) oraz zaburzeniami nastroju, w tym depresją (do 70% przypadków). Nieleczone DSPD prowadzi do poważnych konsekwencji zdrowotnych i społecznych, takich jak zaburzenia metaboliczne, sercowo-naczyniowe, osłabienie odporności, a także obniżona jakość życia i funkcjonowania zawodowego czy edukacyjnego.

Objawy Opóźnionego Fazowego Snu

Opóźniony fazowy sen (ang. Delayed Sleep Phase) to zaburzenie rytmu dobowego (rytmu okołodobowego), w którym dochodzi do przesunięcia fazy snu o co najmniej dwie godziny w stosunku do konwencjonalnych godzin snu. Osoby cierpiące na to zaburzenie doświadczają stałego opóźnienia zasypiania i budzenia się względem społecznie akceptowanych norm12. Problem ten dotyka przede wszystkim nastolatków i młodych dorosłych, chociaż może wystąpić w każdym wieku3.

Charakterystyczne cechy zaburzenia

Główne objawy opóźnionego fazowego snu obejmują:

  • Trudności z zasypianiem przed godz. 1-3 w nocy, a nawet później (niektórzy pacjenci nie mogą zasnąć aż do 6 rano)45
  • Znaczące trudności z budzeniem się o konwencjonalnej porze (np. na potrzeby pracy lub szkoły)6
  • Chroniczna senność dzienna i zmęczenie, zwłaszcza w godzinach porannych7
  • Problemy z utrzymaniem czujności w ciągu dnia8
  • Zaburzenia koncentracji i pamięci9

Objawy mają charakter przewlekły – według kryteriów diagnostycznych utrzymują się przez minimum trzy miesiące, a często latami1011.

Przebieg snu u osób z opóźnionym fazowym snem

Osoby z opóźnionym fazowym snem mają charakterystyczny wzorzec snu. Gdy pozwoli im się spać zgodnie z wewnętrznym zegarem biologicznym, jakość i długość ich snu są najczęściej prawidłowe12. Jednak z powodu opóźnienia cyklu sen-czuwanie nie są w stanie dostosować się do konwencjonalnych godzin pracy czy nauki13.

W przeciwieństwie do osób z bezsennością, pacjenci z opóźnionym fazowym snem nie mają problemu z utrzymaniem snu po zaśnięciu. Ich głównym problemem jest niemożność zaśnięcia o społecznie akceptowanych porach14. Często radzą sobie dobrze na weekendach lub w okresach, gdy mogą spać zgodnie ze swoim naturalnym rytmem15.

Badania wykazały, że osoby z tym zaburzeniem często wykazują najwyższą czujność i aktywność wieczorem i nocą16. Ta prawidłowość wynika z zaburzonego rytmu wydzielania melatoniny i przesunięcia całego cyklu okołodobowego17.

Progresja zaburzenia w czasie

Początek i rozwój zaburzenia

Opóźniony fazowy sen najczęściej rozwija się w okresie dojrzewania lub wczesnej dorosłości18. Badania epidemiologiczne wskazują, że występuje u około 7-16% nastolatków i młodych dorosłych19. W populacji ogólnej częstość występowania szacuje się na około 0,17-1,51%20.

Istnieją dwie główne ścieżki rozwoju tego zaburzenia:

  • Wersja adolescencyjna – może ustąpić w późnym okresie dojrzewania lub wczesnej dorosłości21
  • Forma przewlekła – utrzymuje się przez całe życie i wymaga stałego leczenia22

Pacjenci z opóźnionym fazowym snem często opisują, że trudności z zasypianiem i budzeniem się o konwencjonalnych porach były obecne od wczesnych lat życia, jednak problemy nasilają się w okresie dojrzewania, gdy zewnętrzne wymagania (szkoła, praca) zaczynają kolidować z ich naturalnym rytmem snu23.

Skutki nieleczonego zaburzenia

Nieleczony opóźniony fazowy sen może prowadzić do poważnych konsekwencji zdrowotnych i społecznych24:

  • Zaburzenia nastroju, w tym depresja i lęk – badania wskazują, że do 70% osób z opóźnionym fazowym snem doświadcza objawów depresji25
  • Problemy z funkcjonowaniem społecznym i akademickim – chroniczne spóźnienia, absencja w szkole lub pracy26
  • Zwiększone ryzyko uzależnień od kofeiny, alkoholu lub leków nasennych27
  • Osłabienie układu odpornościowego28
  • Zwiększone ryzyko zaburzeń metabolicznych, w tym cukrzycy i zespołu metabolicznego29
  • Zwiększone ryzyko chorób sercowo-naczyniowych30

Ciekawym zjawiskiem jest częste współwystępowanie opóźnionego fazowego snu z ADHD. Badania wykazują, że około 47,6% pacjentów z opóźnionym fazowym snem ma również objawy ADHD, a osoby z ADHD znacznie częściej cierpią na zaburzenia rytmu okołodobowego3132.

Skutki przewlekłego niedoboru snu

Osoby z opóźnionym fazowym snem, które próbują dostosować się do konwencjonalnego harmonogramu, doświadczają przewlekłego niedoboru snu. Stan ten porównywany jest do ciągłego życia z jet-lagiem i określany jako „społeczny jet lag”33.

Chroniczne deprywacja snu prowadzi do poważnych konsekwencji zdrowotnych34:

  • Zaburzenia funkcji poznawczych – osłabienie pamięci, koncentracji i podejmowania decyzji35
  • Zwiększone ryzyko wypadków36
  • Obniżona wydajność w szkole lub pracy37
  • Zaburzenia nastroju – drażliwość, zmiany zachowania38
  • Zwiększone ryzyko nadwagi i otyłości39

Badania wykazują również, że nawet jeśli opóźniony fazowy sen ustąpi w dorosłości, jego długoterminowe skutki mogą utrzymywać się latami40.

Zaburzenia wewnętrznego zegara biologicznego

Zmiany w rytmie okołodobowym

Opóźniony fazowy sen jest zasadniczo zaburzeniem wewnętrznego zegara biologicznego (rytmu okołodobowego). U osób z tym zaburzeniem występują charakterystyczne zmiany w fizjologii rytmu dobowego41:

  • Opóźnione wydzielanie melatoniny – hormon snu zaczyna być wydzielany później niż u osób zdrowych42
  • Przesunięcie minimum temperatury ciała (CBTnadir) – u pacjentów z opóźnionym fazowym snem temperatura ciała osiąga najniższy poziom średnio 2,5 godziny później niż u osób zdrowych43
  • Dłuższy wewnętrzny cykl okołodobowy (tau) – u niektórych pacjentów wewnętrzny rytm biologiczny może być dłuższy niż standardowe 24 godziny44

Co ciekawe, mimo znaczącego opóźnienia rytmu okołodobowego, badania wykazują, że kąt fazowy rytmu (faza względna między cyklami) nie różni się istotnie między pacjentami z opóźnionym fazowym snem a grupą kontrolną45. Oznacza to, że cały układ rytmów biologicznych jest przesunięty, ale zachowuje wewnętrzną synchronizację.

Czynniki wpływające na rozwój zaburzenia

Rozwój opóźnionego fazowego snu jest uwarunkowany wieloczynnikowo46:

  • Czynniki genetyczne – opóźniony fazowy sen często występuje rodzinnie, a badania wskazują, że około 50% pacjentów ma krewnego z tym zaburzeniem47
  • Zmiany hormonalne w okresie dojrzewania – naturalne przesunięcie rytmu okołodobowego w okresie adolescencji48
  • Ekspozycja na sztuczne światło wieczorem, szczególnie niebieskie światło z ekranów urządzeń elektronicznych49
  • Indywidualne różnice w homeostazie snu – niektóre osoby mogą mieć naturalną tendencję do preferowania późniejszych godzin aktywności50
  • Zaburzenia związane z neurodevelopment – wyższa częstość występowania u osób z ADHD i zaburzeniami ze spektrum autyzmu51

Warto podkreślić, że opóźniony fazowy sen nie jest wynikiem złych nawyków czy świadomego wyboru pozostawania aktywnym do późnych godzin nocnych. Jest to rzeczywiste zaburzenie rytmu okołodobowego o podłożu fizjologicznym52.

Zaburzenia snu i czuwania

Wzorzec snu u pacjentów z opóźnionym fazowym snem

Charakterystyczny wzorzec snu u pacjentów z opóźnionym fazowym snem obejmuje53:

  • Opóźnione zasypianie – najczęściej między 1 a 6 rano54
  • Prawidłową architekturę snu – gdy pacjenci mogą spać zgodnie ze swoim wewnętrznym rytmem, struktura i jakość ich snu są najczęściej prawidłowe55
  • Trudności z budzeniem się przed południem lub wczesnym popołudniem56
  • Wyraźną różnicę między dniami roboczymi (z wymuszonym budzeniem) a dniami wolnymi (gdy mogą spać zgodnie z własnym rytmem)57

Pacjenci często zgłaszają, że w dni wolne od pracy lub szkoły czują się znacznie lepiej, ponieważ mogą spać zgodnie ze swoim naturalnym rytmem58. Ta prawidłowość stanowi ważną wskazówkę diagnostyczną odróżniającą opóźniony fazowy sen od bezsenności59.

Problemy z funkcjonowaniem w ciągu dnia

Trudności z dostosowaniem się do społecznie akceptowanych harmonogramów prowadzą do znaczących problemów w funkcjonowaniu dziennym60:

  • Nadmierna senność w ciągu dnia, szczególnie w godzinach porannych61
  • Zaburzenia koncentracji i uwagi62
  • Problemy z pamięcią i funkcjami wykonawczymi63
  • Zwiększone ryzyko spóźnień i nieobecności w szkole lub pracy64
  • Zaburzenia nastroju – drażliwość, zmiany zachowania65

Niektóre osoby z opóźnionym fazowym snem zgłaszają również objawy podobne do kaca porannego – dezorientację, nudności, bóle głowy po wymuszonym przebudzeniu66. Jest to związane z zaburzeniem zwanym bezwładnością snu (sleep inertia), które może być bardziej nasilone u osób z zaburzeniami rytmu okołodobowego67.

Różnicowanie z innymi zaburzeniami snu

Opóźniony fazowy sen jest często błędnie diagnozowany jako bezsenność lub zaburzenia depresyjne6869. Kluczowe różnice diagnostyczne obejmują:

  • W przeciwieństwie do bezsenności, pacjenci z opóźnionym fazowym snem nie mają trudności z zasypianiem, gdy próbują to zrobić zgodnie ze swoim wewnętrznym rytmem (np. o 3 nad ranem)70
  • Jakość snu jest zazwyczaj prawidłowa, gdy pacjenci mogą spać zgodnie ze swoim naturalnym rytmem71
  • Standardowe metody leczenia bezsenności (higiena snu, ograniczenie snu, techniki kontroli bodźców) są często nieskuteczne w przypadku opóźnionego fazowego snu72
  • Pacjenci z opóźnionym fazowym snem wykazują zwiększoną czujność wieczorem, co jest nietypowe dla bezsenności73

Prawidłowa diagnoza różnicowa ma kluczowe znaczenie, ponieważ opóźniony fazowy sen wymaga specyficznego leczenia ukierunkowanego na przesunięcie fazy rytmu okołodobowego, a nie tylko na poprawę jakości snu74.

Wpływ na zdrowie psychiczne

Współwystępowanie z zaburzeniami psychicznymi

Opóźniony fazowy sen często współwystępuje z różnymi zaburzeniami psychicznymi75:

  • Depresja – badania wskazują, że do 70% osób z opóźnionym fazowym snem doświadcza objawów depresji76
  • ADHD – wykazano istotną korelację między opóźnionym fazowym snem a ADHD, z częstością współwystępowania sięgającą prawie 50%77
  • Zaburzenia lękowe78
  • Zaburzenia ze spektrum autyzmu79
  • Zaburzenia afektywne dwubiegunowe80

Związek między opóźnionym fazowym snem a zaburzeniami psychicznymi ma prawdopodobnie charakter dwukierunkowy – zaburzenia rytmu okołodobowego mogą przyczyniać się do rozwoju problemów psychicznych, a jednocześnie zaburzenia psychiczne mogą nasilać problemy z rytmem snu i czuwania81.

Wpływ na jakość życia

Opóźniony fazowy sen może znacząco obniżać jakość życia pacjentów82:

  • Trudności w relacjach społecznych – niemożność uczestniczenia w porannych aktywnościach społecznych83
  • Problemy zawodowe – chroniczne spóźnienia, obniżona wydajność84
  • Poczucie izolacji i niezrozumienia przez otoczenie85
  • Stres związany z ciągłym wymuszaniem dostosowania się do społecznych norm dotyczących snu86
  • Obniżona samoocena wynikająca z trudności w funkcjonowaniu87

Osoby z opóźnionym fazowym snem często zgłaszają frustrację związaną z niezrozumieniem ich stanu przez otoczenie. Są postrzegani jako leniwi lub niezorganizowani, podczas gdy w rzeczywistości cierpią na realne zaburzenie rytmu okołodobowego88.

Badania wykazują, że odpowiednie leczenie opóźnionego fazowego snu może znacząco poprawić nie tylko funkcjonowanie, ale także ogólną jakość życia i zdrowie psychiczne pacjentów89.

Opóźniony fazowy sen u różnych grup wiekowych

Nastolatki i młodzi dorośli

Opóźniony fazowy sen najczęściej diagnozowany jest u nastolatków i młodych dorosłych, dotykając od 7% do 16% tej populacji90. Wyższe ryzyko w tej grupie wiekowej wynika z kilku czynników91:

  • Naturalne przesunięcie rytmu okołodobowego w okresie dojrzewania, związane ze zmianami hormonalnymi92
  • Presja rówieśnicza i społeczna prowadząca do późniejszego zasypiania93
  • Nadmierne korzystanie z urządzeń elektronicznych przed snem94
  • Wczesne godziny rozpoczęcia zajęć szkolnych, kolidujące z naturalnym rytmem nastolatków95

U nastolatków opóźniony fazowy sen może prowadzić do szczególnie poważnych konsekwencji, takich jak96:

  • Obniżone wyniki w nauce97
  • Zwiększona absencja szkolna98
  • Zaburzenia zachowania99
  • Zwiększone ryzyko depresji i myśli samobójczych100
  • Wyższe ryzyko sięgania po substancje psychoaktywne101

Pozytywnym aspektem jest to, że u wielu osób opóźniony fazowy sen ustępuje samoistnie w miarę dorastania, zwykle w okresie wczesnej dorosłości102.

Dorośli z opóźnionym fazowym snem

U części pacjentów opóźniony fazowy sen utrzymuje się w dorosłości, dotykając około 0,17-1,51% populacji ogólnej103. W tej grupie wiekowej zaburzenie jest często bardziej uciążliwe ze względu na104:

  • Sztywne godziny pracy, trudne do pogodzenia z opóźnionym rytmem okołodobowym105
  • Obowiązki rodzinne i społeczne106
  • Mniejszą elastyczność społeczną dotyczącą godzin aktywności107

U dorosłych z opóźnionym fazowym snem często obserwuje się108:

  • Przewlekłe zmęczenie i wyczerpanie109
  • Zwiększony poziom stresu110
  • Współwystępujące zaburzenia nastroju111
  • Trudności zawodowe – problemy z punktualnością, wydajnością112

Dorośli z tym zaburzeniem często wypracowują własne strategie radzenia sobie, takie jak poszukiwanie elastycznych godzin pracy, praca zdalna czy zmianowa, która pozwala im funkcjonować zgodnie z własnym rytmem okołodobowym113.

Opcje terapeutyczne

Metody leczenia opóźnionego fazowego snu

Chociaż opóźniony fazowy sen jest stanem przewlekłym i nie ma na niego prostego lekarstwa, istnieje kilka skutecznych strategii terapeutycznych114:

  • Terapia światłem (fototerapia) – ekspozycja na jasne światło rano pomaga przesunąć rytm okołodobowy na wcześniejsze godziny115
  • Suplementacja melatoniny – przyjmowanie melatoniny we wczesnych godzinach wieczornych (5-7 godzin przed naturalnym czasem zasypiania) może pomóc przesunąć fazę snu116
  • Chronoterapia – stopniowe przesuwanie godzin snu o 1-2,5 godziny co kilka dni, aż do osiągnięcia pożądanego harmonogramu117
  • Interwencje behawioralne – utrzymywanie regularnego harmonogramu snu, unikanie ekspozycji na światło wieczorem, zwłaszcza niebieskie światło z ekranów118

Skuteczne leczenie zazwyczaj wymaga kombinacji powyższych metod, dostosowanych do indywidualnych potrzeb pacjenta119.

Wyzwania w leczeniu

Leczenie opóźnionego fazowego snu wiąże się z pewnymi wyzwaniami120:

  • Trudności w utrzymaniu nowego harmonogramu snu po jego ustaleniu – tendencja do powrotu do opóźnionego rytmu121
  • Ograniczona skuteczność standardowych metod leczenia bezsenności122
  • Niskie wskaźniki długoterminowego powodzenia terapii123
  • Trudności z przestrzeganiem zaleceń terapeutycznych, szczególnie w dniach wolnych od pracy124

Najskuteczniejsze podejście do leczenia opóźnionego fazowego snu obejmuje regularne wizyty kontrolne, stopniowe dostosowywanie harmonogramu snu oraz edukację pacjenta na temat znaczenia konsekwentnego przestrzegania zaleceń, nawet w dni wolne od pracy125.

Ważne jest również, aby personel medyczny uwzględniał indywidualne potrzeby i preferencje pacjenta oraz rozważał możliwość dostosowania społecznych wymagań (np. elastyczne godziny pracy) zamiast wyłącznie skupiania się na zmianie wewnętrznego rytmu okołodobowego126.

Rozpoznawanie i diagnostyka

Kryteria diagnostyczne

Zgodnie z Międzynarodową Klasyfikacją Zaburzeń Snu (ICSD), opóźniony fazowy sen (Delayed Sleep Phase Disorder – DSPD) diagnozuje się na podstawie następujących kryteriów127:

  • Opóźnienie czasu głównego okresu snu (zwykle o ponad 2 godziny) w stosunku do pożądanego lub społecznie akceptowanego czasu snu i budzenia się128
  • Objawy utrzymują się przez co najmniej 3 miesiące129
  • Gdy pacjentowi umożliwi się sen zgodnie z jego preferowanym harmonogramem, jakość i długość snu są prawidłowe130
  • Zaburzenia snu powodują istotne cierpienie lub upośledzenie funkcjonowania w sferze społecznej, zawodowej lub innych ważnych obszarach131

Dodatkowo, objawy nie powinny być lepiej wyjaśniane przez inne zaburzenia snu, schorzenia medyczne, zaburzenia psychiczne czy stosowanie substancji psychoaktywnych132.

Metody diagnostyczne

Diagnostyka opóźnionego fazowego snu obejmuje133:

  • Szczegółowy wywiad kliniczny dotyczący wzorca snu, historii medycznej i rodzinnej134
  • Dziennik snu – pacjent zapisuje godziny zasypiania i budzenia się przez co najmniej 1-2 tygodnie135
  • Aktygrafia – nieinwazyjne monitorowanie cyklu aktywność-odpoczynek za pomocą urządzenia noszonego na nadgarstku136
  • Badanie poziomu melatoniny w ślinie (DLMO – Dim Light Melatonin Onset) – pozwala określić moment rozpoczęcia wydzielania melatoniny w warunkach przyciemnionego światła137
  • Polisomnografia – w wybranych przypadkach, głównie w celu wykluczenia innych zaburzeń snu138

W diagnostyce różnicowej należy uwzględnić inne zaburzenia snu, takie jak bezsenność, zaburzenia oddychania podczas snu, oraz schorzenia psychiatryczne, w tym depresję i ADHD139.

Znaczenie wczesnej diagnostyki

Wczesne rozpoznanie opóźnionego fazowego snu ma kluczowe znaczenie z kilku powodów140:

  • Zapobiega długotrwałym konsekwencjom przewlekłego niedoboru snu141
  • Umożliwia wdrożenie odpowiedniego leczenia zanim dojdzie do rozwoju powikłań (depresja, problemy zawodowe)142
  • Pozwala na edukację pacjenta i jego otoczenia na temat natury zaburzenia143
  • Zapobiega błędnej diagnozie i nieskutecznemu leczeniu144

Opóźniony fazowy sen jest często błędnie diagnozowany jako bezsenność, depresja lub zaburzenia zachowania (szczególnie u młodzieży), co prowadzi do nieodpowiedniego leczenia i dalszego pogorszenia stanu pacjenta145146.

Kolejne rozdziały

Zapraszamy do dalszego czytania naszego leksykonu.

Wybierz kolejny rozdział z menu poniżej, aby otworzyć nową podstronę kompedium wiedzy i uzyskać szczegółowe informację o leku, substancji lub chorobie.

  1. 09.04.2026
  2. www.leksykon.com.pl

Materiały źródłowe

  • #1 Delayed sleep phase – Symptoms and causes – Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/delayed-sleep-phase/symptoms-causes/syc-20353340
    Delayed sleep phase is a sleep disorder that affects the internal clock, known as circadian rhythm. People with this sleep disorder have sleep patterns that are delayed two hours or more from usual sleep patterns. They go to sleep later and wake later. This makes it hard to wake in time for work or school. Delayed sleep phase also is known as delayed sleep-wake phase disorder. […] People with delayed sleep phase fall asleep and wake later than they want and later than usual sleep and wake times. Sleep and wake times are delayed at least two hours and may be delayed up to 3 to 6 hours. People with delayed sleep phase may regularly go to sleep at 3 a.m. and wake at 10 a.m., for example. […] Symptoms are persistent. They last at least three months and often for years. Symptoms may include: Not being able to fall asleep at a typical bedtime, known as insomnia. Trouble waking up in the morning in time to go to work or school. Extreme daytime drowsiness. Trouble staying alert during the day.
  • #2 Delayed Sleep Phase Syndrome (DSPS): Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/14295-delayed-sleep-phase-syndrome-dsps
    Delayed sleep phase syndrome (DSPS) is a shift in your biological clock that makes it difficult to fall asleep and wake up. DSPS can cause severe daytime sleepiness and changes to your mood and behavior. Treatment is available to help you reset your internal clock. […] Delayed sleep phase syndrome (DSPS) is a condition that affects your ability to fall asleep and wake up on time. The delay in your sleep schedule is off by at least two hours. This condition affects your internal clock. […] Symptoms of delayed sleep phase syndrome include: Not falling asleep at the desired bedtime or aligned with societal norms. Difficulty waking up at the desired time or aligned with societal norms. […] This can lead to: Severe daytime sleepiness. Trouble with memory, focus and concentration. Behavioral and/or mood changes, like irritability.
  • #3 Delayed sleep phase – Hancock Health
    https://www.hancockhealth.org/zh/mayo-health-library/delayed-sleep-phase/
    Delayed sleep phase is a sleep disorder that affects the internal clock, known as circadian rhythm. People with this sleep disorder have sleep patterns that are delayed two hours or more from usual sleep patterns. […] People with delayed sleep phase fall asleep and wake later than they want and later than usual sleep and wake times. Sleep and wake times are delayed at least two hours and may be delayed up to 3 to 6 hours. Symptoms are persistent. They last at least three months and often for years. Symptoms may include: Not being able to fall asleep at a typical bedtime, known as insomnia. Trouble waking up in the morning in time to go to work or school. Extreme daytime drowsiness. Trouble staying alert during the day. […] Delayed sleep phase can affect children and adults of any age. However, delayed sleep phase is more common among teenagers and young adults.
  • #4 Delayed Sleep Phase Syndrome: Causes, Symptoms & Treatments
    https://www.healthline.com/health/sleep-deprivation/delayed-sleep-phase-syndrome
    Delayed sleep phase syndrome (DSPS) is a type of circadian rhythm sleep disorder. Its also known as delayed sleep phase disorder or delayed sleep-wake phase disorder. […] If you have DSPS, you cant fall asleep at a socially acceptable bedtime. Instead, your sleep is delayed by at least two hours. This happens even when youre tired. […] DSPS is common. It can develop at any age, but it mostly affects teenagers and younger adults. Approximately 15 percent of adolescents and adults have DSPS. […] DSPS makes it hard to fall asleep at a conventional bedtime. The delay in your internal clock tells your body to stay alert. […] Typically, you wont be able to sleep until several hours after midnight, between 2 a.m. and 6 a.m. […] Because you cant get to sleep until late, DSPS also makes it hard to get up at a normal time. This is because your internal clock hasnt started telling your body to wake up.
  • #5 Delayed sleep phase – Symptoms and causes – Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/delayed-sleep-phase/symptoms-causes/syc-20353340
    Delayed sleep phase is a sleep disorder that affects the internal clock, known as circadian rhythm. People with this sleep disorder have sleep patterns that are delayed two hours or more from usual sleep patterns. They go to sleep later and wake later. This makes it hard to wake in time for work or school. Delayed sleep phase also is known as delayed sleep-wake phase disorder. […] People with delayed sleep phase fall asleep and wake later than they want and later than usual sleep and wake times. Sleep and wake times are delayed at least two hours and may be delayed up to 3 to 6 hours. People with delayed sleep phase may regularly go to sleep at 3 a.m. and wake at 10 a.m., for example. […] Symptoms are persistent. They last at least three months and often for years. Symptoms may include: Not being able to fall asleep at a typical bedtime, known as insomnia. Trouble waking up in the morning in time to go to work or school. Extreme daytime drowsiness. Trouble staying alert during the day.
  • #6 Delayed Sleep Phase Syndrome | Stanford Health Care
    https://stanfordhealthcare.org/medical-conditions/sleep/delayed-sleep-phase-syndrome.html
    Delayed sleep phase syndrome (DSPS) is a disorder in which a persons sleep is delayed by two hours or more beyond what is considered an acceptable or conventional bedtime. The delayed sleep then causes difficulty in being able to wake up at the desired time. […] People with delayed sleep phase syndrome generally have difficulty: […] Waking up at a „normal” time in the morning, because their internal clock is not yet producing strong alerting signals. […] You may have DSPS if the sleep disorder is also causing impairment in social, occupational or other areas of your life. […] DSPS may develop in early childhood but most commonly it emerges or worsens during adolescence.
  • #7
    https://www.aurorahealthcare.org/services/sleep-disorders/delayed-sleep-phase-syndrome
    Struggling to fall asleep until the early morning hours and finding it hard to wake up for your daily commitments can make it difficult to keep your daily routine. If you are constantly staying up late without trying, or feel extremely tired in the morning, you might be experiencing delayed sleep phase syndrome (DSPS) which disrupts your natural sleep-wake cycle. […] Delayed sleep phase disorder causes you to fall asleep late at night and wake up later in the morning without trying. Its more than just being a night owl; its a chronic condition that can impact your daily life and make it difficult to maintain your regular schedule. […] Recognizing the signs of delayed sleep phase syndrome can help you seek appropriate treatment. Common symptoms include: Difficulty falling asleep at a conventional bedtime, Staying up later than usual or sleeping in, Trouble waking up in the morning, Daytime sleepiness or fatigue, Improved alertness and energy in the evening.
  • #8 Delayed sleep phase disorder | Healthify
    https://healthify.nz/health-a-z/d/delayed-sleep-phase-disorder
    Delayed sleep phase disorder is a sleep problem where your body’s internal clock (the 24 hour circadian rhythm) is shifted by up to 2 hours or more, causing problems with falling asleep and waking up at a socially normal time. […] People with DSPD fall asleep and wake later than they want to, later than is socially acceptable or later than usual sleep and wake times. […] Sleep and wake times are delayed by up to 2 hours or more. […] For example, they might not be able to go to sleep until 4 am and find it hard to wake up until the afternoon. […] Usually a person with DSPD has no problem staying asleep, but will complain of being unable to fall asleep. […] This often results in: trouble waking up in the morning in time to go to work or school, extreme daytime drowsiness and difficulties concentrating, trouble staying alert during the day, having low mood.
  • #9 Delayed Sleep Phase Syndrome (DSPS): Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/14295-delayed-sleep-phase-syndrome-dsps
    Delayed sleep phase syndrome (DSPS) is a shift in your biological clock that makes it difficult to fall asleep and wake up. DSPS can cause severe daytime sleepiness and changes to your mood and behavior. Treatment is available to help you reset your internal clock. […] Delayed sleep phase syndrome (DSPS) is a condition that affects your ability to fall asleep and wake up on time. The delay in your sleep schedule is off by at least two hours. This condition affects your internal clock. […] Symptoms of delayed sleep phase syndrome include: Not falling asleep at the desired bedtime or aligned with societal norms. Difficulty waking up at the desired time or aligned with societal norms. […] This can lead to: Severe daytime sleepiness. Trouble with memory, focus and concentration. Behavioral and/or mood changes, like irritability.
  • #10 Delayed sleep phase – Symptoms and causes – Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/delayed-sleep-phase/symptoms-causes/syc-20353340
    Delayed sleep phase is a sleep disorder that affects the internal clock, known as circadian rhythm. People with this sleep disorder have sleep patterns that are delayed two hours or more from usual sleep patterns. They go to sleep later and wake later. This makes it hard to wake in time for work or school. Delayed sleep phase also is known as delayed sleep-wake phase disorder. […] People with delayed sleep phase fall asleep and wake later than they want and later than usual sleep and wake times. Sleep and wake times are delayed at least two hours and may be delayed up to 3 to 6 hours. People with delayed sleep phase may regularly go to sleep at 3 a.m. and wake at 10 a.m., for example. […] Symptoms are persistent. They last at least three months and often for years. Symptoms may include: Not being able to fall asleep at a typical bedtime, known as insomnia. Trouble waking up in the morning in time to go to work or school. Extreme daytime drowsiness. Trouble staying alert during the day.
  • #11 Mayo Clinic Health Library – Delayed sleep phase | Swiss Medical Network
    https://www.swissmedical.net/en/healtcare-library/con-20313606
    Delayed sleep phase is a sleep disorder that affects the internal clock, known as circadian rhythm. People with this sleep disorder have sleep patterns that are delayed two hours or more from usual sleep patterns. […] People with delayed sleep phase fall asleep and wake later than they want and later than usual sleep and wake times. Sleep and wake times are delayed at least two hours and may be delayed up to 3 to 6 hours. Symptoms are persistent. They last at least three months and often for years. […] Symptoms may include: Not being able to fall asleep at a typical bedtime, known as insomnia. Trouble waking up in the morning in time to go to work or school. Extreme daytime drowsiness. Trouble staying alert during the day. […] Delayed sleep phase can affect children and adults of any age. However, delayed sleep phase is more common among teenagers and young adults.
  • #12 SLEEP TIMING AND CIRCADIAN PHASE IN DELAYED SLEEP PHASE
    https://pmc.ncbi.nlm.nih.gov/articles/PMC3689431/
    Our findings suggest that under entrained conditions, when allowed to sleep at their habitual sleep times, DSPS patients had normal sleep. […] The significant delay in both phase markers without an accompanying alteration in the phase angle of entrainment suggests that although DSPS subjects exhibit later sleep-wake times under entrained conditions, they are not sleeping at an adverse circadian phase for maximum sleep efficiency. […] Our findings suggest that when allowed to sleep at their own habitual schedules, patients with DSPS have both normal sleep parameters and circadian phase angle.
  • #13 Delayed sleep phase disorder – Wikipedia
    https://en.wikipedia.org/wiki/Delayed_sleep_phase_disorder
    Delayed sleep phase disorder (DSPD), more often known as delayed sleep phase syndrome and also as delayed sleep-wake phase disorder, is the delaying of a person’s circadian rhythm (biological clock) compared to those of societal norms. The disorder affects the timing of biological rhythms including sleep, peak period of alertness, core body temperature, and hormonal cycles. People with this disorder are often called night owls. […] People with DSPD generally fall asleep some hours after midnight and have difficulty waking up in the morning. Affected people often report that while they do not get to sleep until the early morning, they do fall asleep around the same time every day. […] Attempting to force oneself onto daytime society’s schedule with DSPD has been compared to constantly living with jet lag; DSPD has been called „social jet lag”.
  • #14 Delayed sleep phase syndrome: Effects, diagnosis, and more
    https://www.medicalnewstoday.com/articles/delayed-sleep-phase-syndrome-effects-diagnosis-and-more
    Delayed sleep phase syndrome (DSPS) is a chronic circadian rhythm disorder that causes a person to sleep late and wake up late. […] A person with DSPS may have difficulty waking up on time for work or school, feel sleepy during the day, and find it difficult to fall asleep at night despite feeling tired. […] For example, people with DSPS may be unable to sleep until around 3 a.m. and, if left to wake naturally, may sleep past 10 a.m. […] People with DSPS may experience side effects. These may include: Daytime sleepiness: When a person cannot fall asleep at a reasonable time and still needs to be up by a specific time, they may experience daytime drowsiness. […] People with DSPS may have trouble going to sleep at a conventional time. They typically have no issues with duration and quality of sleep. It is getting to sleep at a convenient or acceptable time that they find difficult.
  • #15 Delayed Sleep-Wake Phase Disorder | Boston Children’s Hospital
    https://www.childrenshospital.org/conditions/delayed-sleep-wake-phase-disorder
    Does your child stay up very late and have great difficulty waking up for school in the morning? Does he or she seem tired during school hours, but then can’t fall asleep until well after midnight? […] Children with DSWPD typically cannot fall asleep at the appropriate or desired time of night, but are able to fall asleep readily around midnight or later. […] The natural morning wake time is similarly delayed, often making it extremely difficult to become alert before the late morning or early afternoon. […] When allowed to sleep on their preferred later schedule, most children with DSWPD feel rested and can function well. However, when their natural schedule conflicts with normal school, work or lifestyle demands, delayed sleep-wake phase disorder can impair a child’s functioning during the day.
  • #16 Symptoms of Delayed Sleep Phase Syndrome (DSPS) – Psycho Wellnesscenter
    https://www.psychowellnesscenter.com/Blog/symptoms-of-delayed-sleep-phase-syndrome
    Due to the delayed sleep onset, waking up in the morning for school, work, or other commitments can be extremely challenging for those with DSPS. Even if they manage to fall asleep late, their bodies naturally want to sleep for a full 7-9 hours, leading to significant sleep deprivation if they are forced to wake up early. […] The misalignment between the individuals internal clock and the external environment often results in insufficient sleep, causing excessive daytime sleepiness and fatigue. This can impact cognitive functions such as attention, memory, and decision-making, further affecting academic and occupational performance. […] Unlike people with general sleep deprivation, individuals with DSPS often feel more awake and alert in the evening and nighttime. This can make it difficult for them to unwind and prepare for sleep at a conventional bedtime.
  • #17 Delayed sleep-wake phase disorder – Nesbitt – Journal of Thoracic Disease
    https://jtd.amegroups.org/article/view/18434/html
    The disorder is felt to be most prevalent in teenagers. […] However, over half of the respondents meeting the diagnostic criteria for DSWPD also met those for used in this study for insomnia. […] Many patients with DSWPD will have co-existent mental health concerns. Indeed, one small series of patients with DSWPD or extreme evening chronotype found as many as 70% to have a diagnosable axis 1 psychiatric disorder. […] Affective disorders can manifest with a wide variety of sleep disturbances, and it can be difficult to tease apart and characterise these. […] Of interest, it would seem that patients with true circadian DSWPD (delayed timing of melatonin secretion) are more prone to depression than those with non-circadian DSWPD. […] Patients with ASD have a high incidence of sleep disorders, including circadian rhythm sleep wake disorders, of which DSWPD is the most common phenotype.
  • #18 Delayed Sleep Phase Syndrome | Stanford Health Care
    https://stanfordhealthcare.org/medical-conditions/sleep/delayed-sleep-phase-syndrome.html
    Delayed sleep phase syndrome (DSPS) is a disorder in which a persons sleep is delayed by two hours or more beyond what is considered an acceptable or conventional bedtime. The delayed sleep then causes difficulty in being able to wake up at the desired time. […] People with delayed sleep phase syndrome generally have difficulty: […] Waking up at a „normal” time in the morning, because their internal clock is not yet producing strong alerting signals. […] You may have DSPS if the sleep disorder is also causing impairment in social, occupational or other areas of your life. […] DSPS may develop in early childhood but most commonly it emerges or worsens during adolescence.
  • #19 Delayed Sleep-Wake Phase – Sleep Education by the AASM
    https://sleepeducation.org/sleep-disorders/delayed-sleep-wake-phase/
    Symptoms of DSP include: A delayed sleep pattern in relation to desired sleep and wake times, Trouble falling asleep at the desired bedtime, Inability to wake up in the morning, Normal duration and quality of sleep when there is no need to go to sleep or wake up at a specific time, A stable but delayed sleep pattern for at least seven days. […] The exact rate of DSP is unknown in the general population. It is much more common in teens and young adults. About 7% to 16% of teens and young adults may have DSP. DSP is likely to be found in 10% of people with a complaint of insomnia. People who tend to be “evening types” or “night owls” are likely to develop DSP. […] A sleep diary is a way to track your sleep pattern. You record the time you get into bed, the time required to fall asleep, and the time you wake up in the morning. If you have DSP, your sleep diary will likely show a regular pattern of difficulty falling to sleep, few or no awakenings once asleep, and a sleep duration that is reduced during the work week and lengthy on the weekend.
  • #20 Delayed sleep–wake phase disorder and its related sleep behaviors in the young generation
    https://pmc.ncbi.nlm.nih.gov/articles/PMC10235460/
    DSWPD has been suggested to be associated with lower grades in students and frequent absenteeism, as well as lower productivity and presenteeism in the working generation. […] DSWPD has a prevalence of 0.171.51% in the general population, which is reported lower than that of DSP. In comparison, a survey of 10,220 adolescents aged 1618years in Norway found a relatively higher rate of 3.3%, while a more recent Norwegian survey of 50,054 students aged 1835years also showed a prevalence of 3.3%. These results suggest that DSWPD is possibly more prevalent in the younger generation than in the older generations. […] The higher prevalence of DSWPD in adolescents and young adults may reflect a preference for a night owl lifestyle and biological change in this generation.
  • #21 Delayed sleep phase disorder – Wikipedia
    https://en.wikipedia.org/wiki/Delayed_sleep_phase_disorder
    DSPD is a disorder of the body’s timing system—the biological clock. Individuals with DSPD might have an unusually long circadian cycle, might have a reduced response to the resetting effect of daylight on the body clock, and/or may respond overly to the delaying effects of evening light and too little to the advancing effect of light earlier in the day. […] The syndrome usually develops in early childhood or adolescence. An adolescent version may disappear in late adolescence or early adulthood; otherwise, DSPD is a lifelong condition. […] A chief difficulty of treating DSPD is in maintaining an earlier schedule after it has been established, as the patient’s body has a strong tendency to reset the sleeping schedule to its intrinsic late times. […] Long-term success rates of treatment have seldom been evaluated. However, experienced clinicians acknowledge that DSPD is extremely difficult to treat.
  • #22 Delayed Sleep Phase Syndrome: Causes, Symptoms & Treatments
    https://www.healthline.com/health/sleep-deprivation/delayed-sleep-phase-syndrome
    Daytime drowsiness occurs when you cant fall asleep but need to wake up at a certain time. During the day, you might find it difficult to focus and pay attention. […] Even if you fall asleep early, DSPS may prevent you from getting enough deep sleep. This can make you feel excessively tired throughout the day. […] If you cant keep a normal sleep schedule, you may develop depression due to stress. […] DSPS can also lead to a dependency on caffeine, alcohol, or sedatives. […] DSPS is often misdiagnosed. […] If you or your child has sleep issues, talk to a sleep specialist. […] The purpose of treatment is to normalize your sleep schedule by adjusting your body clock. […] DSPS often continues into adulthood, so it needs to be actively treated. […] Delayed sleep phase syndrome (DSPS) is a body clock disorder. Your sleep cycle is delayed, so you cant fall asleep until two or more hours past the normal bedtime. […] DSPS is most common in teenagers, but it can happen at any age. Talk to your doctor if you or your child is having sleep issues.
  • #23 What Is Delayed Sleep Phase Syndrome? | Sleep.comBurger Menu Icon
    https://www.sleep.com/sleep-health/delayed-sleep-phase-disorder
    Nearly 50% of people with DSPD have a relative with the condition, according to research published in Chronobiology International. […] Light exposure, particularly to blue light: Scientists know that exposure to blue light — like the kind emitted from computers, TVs, and smartphones — can suppress melatonin production. “And that can interfere with the circadian rhythm and contribute to the development or exacerbation of DSPD in some individuals,” says Singh. […] If your health care provider suspects a circadian rhythm disorder like DSPD, they’ll most likely have you wear a sleep tracker or maintain a sleep log, tracking when you’re asleep and when you’re awake. They may even suggest a sleep study to rule out other possible causes of your sleep issues, such as sleep apnea. […] The good news: Many cases of DSPD are resolved by the time a person reaches their 20s. And in the meantime, there are effective treatments to try, sometimes in combination.
  • #24 Delayed Sleep-Wake Phase Disorder | Boston Children’s Hospital
    https://www.childrenshospital.org/conditions/delayed-sleep-wake-phase-disorder
    Untreated, DSWPD can lead to social impairment, academic and behavioral problems, and depression. […] This disorder is most common in adolescents and young adults. Between 7 and 16 percent of adolescents exhibit symptoms of delayed sleep-wake phase disorder. […] If your child or adolescent is suffering from DSWPD, he or she might experience: A persistently later than desired „sleep onset,” or the time that the body falls asleep easily for the night, often after midnight. […] „Secondary insomnia” resulting from a chronic inability to fall asleep for several hours after getting into bed. […] An inability to wake up at the desired time. As a result of falling asleep so late, many children and adolescents have extreme difficulty getting up in the morning for school or other activities.
  • #25 Delayed Sleep Phase Syndrome: Symptoms, Causes, and Treatment
    https://www.verywellmind.com/delayed-sleep-phase-syndrome-symptoms-causes-and-treatment-7110083
    A 2018 review notes that there is a significant link between delayed sleep phase syndrome and mental health conditionsup to 70% of people with delayed sleep phase syndrome have a psychiatric disorder, such as depression or bipolar disorder. […] Symptoms of delayed sleep phase syndrome, such as sleep deprivation, daytime sleepiness, and chronic fatigue, can make it difficult for you to function and cause you to experience negative consequences such as: […] A 2014 review notes that someone who had delayed sleep phase syndrome as a teenager may still experience negative consequences well into adulthood, even if they dont have the condition anymore. […] Delayed sleep phase syndrome may be hereditary, so you may be more likely to have it if someone in your immediate family has it. […] Your circadian rhythm, also known as your internal body clock, changes when you reach puberty. While it’s normal for it to get slightly delayed, a significant delay, often due to fluctuations in your melatonin levels, can lead to delayed sleep phase syndrome. […] Delayed sleep phase disorder can make it hard for you to get enough sleep on most days, which can affect your health, safety, and well-being. Taking steps to treat the condition and reset your body clock can help improve your health, your performance at work/school, and your social and family life.
  • #26 Delayed Sleep-Wake Phase Disorder | Boston Children’s Hospital
    https://www.childrenshospital.org/conditions/delayed-sleep-wake-phase-disorder
    Daytime sleepiness that can lead to academic, behavioral or social impairments, or depression. […] Mood changes, including depression and anxiety. […] Chronic tardiness, poor school attendance, and, in extreme cases, dropping out of school. […] High levels of alertness in the late evening. […] Extreme difficulty shifting the sleep schedule back to an earlier time, even when motivated to do so.
  • #27 Delayed Sleep Phase Syndrome: Causes, Symptoms & Treatments
    https://www.healthline.com/health/sleep-deprivation/delayed-sleep-phase-syndrome
    Daytime drowsiness occurs when you cant fall asleep but need to wake up at a certain time. During the day, you might find it difficult to focus and pay attention. […] Even if you fall asleep early, DSPS may prevent you from getting enough deep sleep. This can make you feel excessively tired throughout the day. […] If you cant keep a normal sleep schedule, you may develop depression due to stress. […] DSPS can also lead to a dependency on caffeine, alcohol, or sedatives. […] DSPS is often misdiagnosed. […] If you or your child has sleep issues, talk to a sleep specialist. […] The purpose of treatment is to normalize your sleep schedule by adjusting your body clock. […] DSPS often continues into adulthood, so it needs to be actively treated. […] Delayed sleep phase syndrome (DSPS) is a body clock disorder. Your sleep cycle is delayed, so you cant fall asleep until two or more hours past the normal bedtime. […] DSPS is most common in teenagers, but it can happen at any age. Talk to your doctor if you or your child is having sleep issues.
  • #28 Delayed Sleep Phase Syndrome (DSPS): Causes, Symptoms, and Treatments  – Amerisleep
    https://amerisleep.com/blog/delayed-sleep-phase-syndrome/
    DSPS can cause sleep deprivation or inconsistent sleeping patterns which has (in the long-term) a greater impact on other aspects of the body, including: Lowered immune response, Anxiety disorders, Weight gain, Fibromyalgia, Diabetes, Metabolic syndrome, Hypertension, Coronary heart disease, Schizophrenia, Autism, Depression, Cancer. […] Common symptoms of delayed sleep phase disorder include difficulty falling asleep at normal hours, going to bed and waking up very late (or much later than the targeted bed time) and excessive daytime sleepiness.
  • #29 Delayed Sleep Phase Syndrome (DSPS): Causes, Symptoms, and Treatments  – Amerisleep
    https://amerisleep.com/blog/delayed-sleep-phase-syndrome/
    DSPS can cause sleep deprivation or inconsistent sleeping patterns which has (in the long-term) a greater impact on other aspects of the body, including: Lowered immune response, Anxiety disorders, Weight gain, Fibromyalgia, Diabetes, Metabolic syndrome, Hypertension, Coronary heart disease, Schizophrenia, Autism, Depression, Cancer. […] Common symptoms of delayed sleep phase disorder include difficulty falling asleep at normal hours, going to bed and waking up very late (or much later than the targeted bed time) and excessive daytime sleepiness.
  • #30
    https://www.advocatehealth.com/health-services/sleep-medicine/delayed-sleep-phase-syndrome
    Individuals with ADHD often exhibit symptoms of delayed sleep phase syndrome, such as difficulty falling asleep at conventional bedtimes and excessive daytime sleepiness. […] Common symptoms include: Inability to fall asleep at a conventional bedtime, Staying up late and sleeping in, Difficulty waking up in the morning, Daytime drowsiness and fatigue, Increased alertness in the evening. […] Chronic sleep deprivation resulting from delayed sleep phase syndrome can also contribute to more serious health issues, such as cardiovascular disease. Early detection and treatment are crucial for preventing these risks.
  • #31
    https://link.springer.com/article/10.1007/s41105-018-0188-0
    The data suggest a high prevalence of probable ADHD in DSPD patients and increased prevalence of DSPD and other sleep disorders in patients with probable ADHD. […] Probable ADHD was reported by 47.6% of the DSPD patients and by 26.9% of the non-DSPD patients (p=0.059). […] The DSPD group showed significant higher total ADHD-RS scores (p=0.011). […] In the probable ADHD group more patients were designated as DSPD (28%) compared to the non-ADHD group (13.6% [χ2=10.402, p=0.001]). […] Also 20 min later, DLMO (22:46 h) was found (p=0.017) and more positive HSDQ scores on insomnia, parasomnia, hypersomnia, and sleep-related breathing disorders were reported in the probable ADHD group than in the non-probable ADHD group (χ2 resp. 16.07; p0.001, 9.245; p=0.002, 19.391; p=0.00 and 5.865; p=0.059).
  • #32 What Is Delayed Sleep Phase Syndrome? | Sleep.comBurger Menu Icon
    https://www.sleep.com/sleep-health/delayed-sleep-phase-disorder
    Attention-deficit hyperactivity disorder (ADHD). People with ADHD tend to have more problems with sleep, including DSPD. According to researchers’ writings in the journal Nature and Science of Sleep, this may be because those with ADHD can lack impulse control, making it harder for them to settle into sleep at night. It also may be because those with ADHD tend to have delays in the secretion of melatonin, a naturally occurring substance that increases as darkness approaches, helping to bring on sleep. […] School absences. One study showed that children with DSPD miss about twice as much school as children without the sleep condition. […] Experts aren’t exactly sure what causes DSPD, but they do suspect that a combination of factors — from genetics to the environment — can influence its development.
  • #33 Delayed sleep phase disorder – Wikipedia
    https://en.wikipedia.org/wiki/Delayed_sleep_phase_disorder
    Delayed sleep phase disorder (DSPD), more often known as delayed sleep phase syndrome and also as delayed sleep-wake phase disorder, is the delaying of a person’s circadian rhythm (biological clock) compared to those of societal norms. The disorder affects the timing of biological rhythms including sleep, peak period of alertness, core body temperature, and hormonal cycles. People with this disorder are often called night owls. […] People with DSPD generally fall asleep some hours after midnight and have difficulty waking up in the morning. Affected people often report that while they do not get to sleep until the early morning, they do fall asleep around the same time every day. […] Attempting to force oneself onto daytime society’s schedule with DSPD has been compared to constantly living with jet lag; DSPD has been called „social jet lag”.
  • #34 DSPD Q&A – Circadian Sleep Disorders Network
    https://www.circadiansleepdisorders.org/docs/DSPS-QandA.php
    There are many long-term health effects of sleep deprivation. These can include depression, lowered immune response, anxiety disorders, weight gain, fibromyalgia, diabetes, and cancer. […] Many people with DSPD feel rested and alert if they can sleep during the hours their bodies require. But others are chronically tired, even if they can sleep as their circadian rhythms dictate. Research suggests that some of their internal systems may be out of sync with others – for example, their digestive system may not be in sync with their sleep/wake system, similar to jet lag. Many DSPD people need more sleep than normal sleepers. […] For some, DSPD starts in infancy or early childhood. For others, it starts during puberty. For some of these, it also ends in their early twenties, but for others it is lifelong.
  • #35 Symptoms of Delayed Sleep Phase Syndrome (DSPS) – Psycho Wellnesscenter
    https://www.psychowellnesscenter.com/Blog/symptoms-of-delayed-sleep-phase-syndrome
    Due to the delayed sleep onset, waking up in the morning for school, work, or other commitments can be extremely challenging for those with DSPS. Even if they manage to fall asleep late, their bodies naturally want to sleep for a full 7-9 hours, leading to significant sleep deprivation if they are forced to wake up early. […] The misalignment between the individuals internal clock and the external environment often results in insufficient sleep, causing excessive daytime sleepiness and fatigue. This can impact cognitive functions such as attention, memory, and decision-making, further affecting academic and occupational performance. […] Unlike people with general sleep deprivation, individuals with DSPS often feel more awake and alert in the evening and nighttime. This can make it difficult for them to unwind and prepare for sleep at a conventional bedtime.
  • #36 DSPD Q&A – Circadian Sleep Disorders Network
    https://www.circadiansleepdisorders.org/docs/DSPS-QandA.php
    Delayed Sleep Phase Disorder (DSPD), also known as Delayed Sleep Phase Syndrome (DSPS), is a neurological sleep disorder in which a person’s sleep/wake cycle is delayed with respect to the external day/night cycle. The person is unable to fall asleep until the wee hours, typically somewhere between 2 am and 6am, and sleeps correspondingly longer in the daytime, often well into the afternoon. […] People with DSPD who try to work normal work hours, such as 9 am to 5 pm, or students who have to attend morning classes, become sleep deprived. This is because, no matter how tired they get, they cannot fall asleep earlier. Yet they still have to get up early. So they may only get 3 or 4 hours of sleep each night. Their work suffers. They may become accident-prone. Continuing sleep deprivation affects their health, both physical and mental.
  • #37 Delayed Sleep Phase Syndrome: Symptoms, Causes, and More
    https://www.health.com/delayed-sleep-phase-syndrome-8575662
    People with delayed sleep phase syndrome don’t just choose to stay up late at night as night owls. Rather, the disorder makes it difficult for you to fall asleep early, even if you’re tired. This condition can often interfere with your daily life, reduce performance, decrease productivity, and affect your emotional well-being.
  • #38 Delayed Sleep-Wake Phase Disorder | Boston Children’s Hospital
    https://www.childrenshospital.org/conditions/delayed-sleep-wake-phase-disorder
    Daytime sleepiness that can lead to academic, behavioral or social impairments, or depression. […] Mood changes, including depression and anxiety. […] Chronic tardiness, poor school attendance, and, in extreme cases, dropping out of school. […] High levels of alertness in the late evening. […] Extreme difficulty shifting the sleep schedule back to an earlier time, even when motivated to do so.
  • #39 Delayed Sleep Phase Syndrome (DSPS): Causes, Symptoms, and Treatments  – Amerisleep
    https://amerisleep.com/blog/delayed-sleep-phase-syndrome/
    DSPS can cause sleep deprivation or inconsistent sleeping patterns which has (in the long-term) a greater impact on other aspects of the body, including: Lowered immune response, Anxiety disorders, Weight gain, Fibromyalgia, Diabetes, Metabolic syndrome, Hypertension, Coronary heart disease, Schizophrenia, Autism, Depression, Cancer. […] Common symptoms of delayed sleep phase disorder include difficulty falling asleep at normal hours, going to bed and waking up very late (or much later than the targeted bed time) and excessive daytime sleepiness.
  • #40 Delayed Sleep Phase Syndrome: Symptoms, Causes, and Treatment
    https://www.verywellmind.com/delayed-sleep-phase-syndrome-symptoms-causes-and-treatment-7110083
    A 2018 review notes that there is a significant link between delayed sleep phase syndrome and mental health conditionsup to 70% of people with delayed sleep phase syndrome have a psychiatric disorder, such as depression or bipolar disorder. […] Symptoms of delayed sleep phase syndrome, such as sleep deprivation, daytime sleepiness, and chronic fatigue, can make it difficult for you to function and cause you to experience negative consequences such as: […] A 2014 review notes that someone who had delayed sleep phase syndrome as a teenager may still experience negative consequences well into adulthood, even if they dont have the condition anymore. […] Delayed sleep phase syndrome may be hereditary, so you may be more likely to have it if someone in your immediate family has it. […] Your circadian rhythm, also known as your internal body clock, changes when you reach puberty. While it’s normal for it to get slightly delayed, a significant delay, often due to fluctuations in your melatonin levels, can lead to delayed sleep phase syndrome. […] Delayed sleep phase disorder can make it hard for you to get enough sleep on most days, which can affect your health, safety, and well-being. Taking steps to treat the condition and reset your body clock can help improve your health, your performance at work/school, and your social and family life.
  • #41 Delayed Sleep Phase Syndrome (DSPS): Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/14295-delayed-sleep-phase-syndrome-dsps
    Delayed sleep phase syndrome has a genetic cause. […] Research suggests that the genetic component makes your body’s natural circadian rhythm longer than average. This can affect your body’s desire to fall asleep at a scheduled time. […] Delayed sleep phase syndrome may cause the following complications: Depression: Your ability to sleep can affect your mood and stamina. Over 60% of people diagnosed with delayed sleep phase syndrome experience depression. […] Delayed sleep phase syndrome doesn’t go away. Treatment is ongoing to manage it. It may take several weeks to months until you’re able to reschedule your sleep-wake cycle. […] There’s no cure for delayed sleep phase syndrome (DSPS). Treatment is effective at improving your sleep to reduce your symptoms. […] Most people have a positive outlook if they’re able to follow a treatment plan to get their sleep schedule where they want it. Untreated DSPS can impact your daily life. When you’re constantly tired, it’s difficult to be active and present to do the things you enjoy. Many people who experience DSPS also have periods of depression.
  • #42 SLEEP TIMING AND CIRCADIAN PHASE IN DELAYED SLEEP PHASE
    https://pmc.ncbi.nlm.nih.gov/articles/PMC3689431/
    Delayed sleep phase syndrome (DSPS) is a circadian rhythm sleep disorder in which the timing of the sleep episode occurs later than desired and is associated with difficulty falling asleep, problems awakening on time (e.g., to meet work or school obligations), and daytime sleepiness. […] An individual with DSPS is typically unable to fall asleep before 2 AM and if allowed to sleep and wake at will, awakens between 10 AM and 1 PM. […] This schedule of sleep restriction could have serious consequences for health and performance. […] DSPS patients had significantly later sleep-wake times when compared with controls, although they did not differ in the amount of time in bed or duration of sleep. […] The mean DLMO was delayed by more than 2 hours and the mean CBTnadir occurred about 2.5 hours later in the DSPS group.
  • #43 SLEEP TIMING AND CIRCADIAN PHASE IN DELAYED SLEEP PHASE
    https://pmc.ncbi.nlm.nih.gov/articles/PMC3689431/
    Delayed sleep phase syndrome (DSPS) is a circadian rhythm sleep disorder in which the timing of the sleep episode occurs later than desired and is associated with difficulty falling asleep, problems awakening on time (e.g., to meet work or school obligations), and daytime sleepiness. […] An individual with DSPS is typically unable to fall asleep before 2 AM and if allowed to sleep and wake at will, awakens between 10 AM and 1 PM. […] This schedule of sleep restriction could have serious consequences for health and performance. […] DSPS patients had significantly later sleep-wake times when compared with controls, although they did not differ in the amount of time in bed or duration of sleep. […] The mean DLMO was delayed by more than 2 hours and the mean CBTnadir occurred about 2.5 hours later in the DSPS group.
  • #44 Delayed sleep-wake phase disorder – Nesbitt – Journal of Thoracic Disease
    https://jtd.amegroups.org/article/view/18434/html
    Numerous factors are likely to contribute to the pathophysiology of DSWPS, including behavioural and psychological, as well as biological factors. […] The importance of evening artificial light exposure as a phase delaying mechanism cannot be underestimated. […] It has also been postulated that the intrinsic circadian period (or tau) of patients with DSWPD, which are determined by the temporal course of the molecular feedback loops within neurons of the suprachiasmatic nucleus, may be modestly longer than that of normal chronotypes. […] A further mechanism contributing to the development of DSWPD is likely to be intrinsic differences in sleep homeostasis in individuals who develop the disorder. […] Relapses in treatment and decompensation are common, and patients should be counselled for this eventuality, and encouraged to follow their original treatment plans should this occur.
  • #45 SLEEP TIMING AND CIRCADIAN PHASE IN DELAYED SLEEP PHASE
    https://pmc.ncbi.nlm.nih.gov/articles/PMC3689431/
    Although DSPS patients exhibit significantly later phase of both melatonin and temperature rhythms as well as later sleep and wake times when compared with controls, the circadian phase angle was not significantly different between the DSPS and control groups for any of the intervals measured. […] The current study expands upon prior studies of DSPS in 2 important ways: the large sample size in which subjective and objective sleep measures and circadian phase markers were collected and the use of portable data collection of these measures from DSPS patients in their natural home environments. […] These results are surprising given that one of the major complaints of DSPS subjects is sleep onset insomnia or an inability to fall asleep at the desired time, which may manifest as long sleep latencies.
  • #46 Delayed sleep–wake phase disorder and its related sleep behaviors in the young generation
    https://pmc.ncbi.nlm.nih.gov/articles/PMC10235460/
    Many adolescents and young adults worldwide exhibit a delayed sleep pattern, which can be considered a disorder when it significantly affects important areas of an individuals functioning. Delayed SleepWake Phase Disorder (DSWPD) is a circadian rhythm disorder in which the delay of sleep phase causes difficulty in falling asleep and waking up at a desired time, resulting in daytime dysfunction. This disorder is associated with multiple factors including specific biological traits, socio-psychological backgrounds, sleep hygiene problems, and comorbid psychiatric diseases. DSWPD is prevalent during adolescence and young adulthood. […] The development of DSWPD reflects the multifaceted interaction between social schedules, timing of exposure to light and dark, genetic factors, homeostatic pressure on sleep, and the circadian system.
  • #47 What Is Delayed Sleep Phase Syndrome? | Sleep.comBurger Menu Icon
    https://www.sleep.com/sleep-health/delayed-sleep-phase-disorder
    Nearly 50% of people with DSPD have a relative with the condition, according to research published in Chronobiology International. […] Light exposure, particularly to blue light: Scientists know that exposure to blue light — like the kind emitted from computers, TVs, and smartphones — can suppress melatonin production. “And that can interfere with the circadian rhythm and contribute to the development or exacerbation of DSPD in some individuals,” says Singh. […] If your health care provider suspects a circadian rhythm disorder like DSPD, they’ll most likely have you wear a sleep tracker or maintain a sleep log, tracking when you’re asleep and when you’re awake. They may even suggest a sleep study to rule out other possible causes of your sleep issues, such as sleep apnea. […] The good news: Many cases of DSPD are resolved by the time a person reaches their 20s. And in the meantime, there are effective treatments to try, sometimes in combination.
  • #48 Delayed Sleep Phase Syndrome: Symptoms, Causes, and Treatment
    https://www.verywellmind.com/delayed-sleep-phase-syndrome-symptoms-causes-and-treatment-7110083
    A 2018 review notes that there is a significant link between delayed sleep phase syndrome and mental health conditionsup to 70% of people with delayed sleep phase syndrome have a psychiatric disorder, such as depression or bipolar disorder. […] Symptoms of delayed sleep phase syndrome, such as sleep deprivation, daytime sleepiness, and chronic fatigue, can make it difficult for you to function and cause you to experience negative consequences such as: […] A 2014 review notes that someone who had delayed sleep phase syndrome as a teenager may still experience negative consequences well into adulthood, even if they dont have the condition anymore. […] Delayed sleep phase syndrome may be hereditary, so you may be more likely to have it if someone in your immediate family has it. […] Your circadian rhythm, also known as your internal body clock, changes when you reach puberty. While it’s normal for it to get slightly delayed, a significant delay, often due to fluctuations in your melatonin levels, can lead to delayed sleep phase syndrome. […] Delayed sleep phase disorder can make it hard for you to get enough sleep on most days, which can affect your health, safety, and well-being. Taking steps to treat the condition and reset your body clock can help improve your health, your performance at work/school, and your social and family life.
  • #49 What Is Delayed Sleep Phase Syndrome? | Sleep.comBurger Menu Icon
    https://www.sleep.com/sleep-health/delayed-sleep-phase-disorder
    Nearly 50% of people with DSPD have a relative with the condition, according to research published in Chronobiology International. […] Light exposure, particularly to blue light: Scientists know that exposure to blue light — like the kind emitted from computers, TVs, and smartphones — can suppress melatonin production. “And that can interfere with the circadian rhythm and contribute to the development or exacerbation of DSPD in some individuals,” says Singh. […] If your health care provider suspects a circadian rhythm disorder like DSPD, they’ll most likely have you wear a sleep tracker or maintain a sleep log, tracking when you’re asleep and when you’re awake. They may even suggest a sleep study to rule out other possible causes of your sleep issues, such as sleep apnea. […] The good news: Many cases of DSPD are resolved by the time a person reaches their 20s. And in the meantime, there are effective treatments to try, sometimes in combination.
  • #50 Delayed sleep-wake phase disorder – Nesbitt – Journal of Thoracic Disease
    https://jtd.amegroups.org/article/view/18434/html
    Numerous factors are likely to contribute to the pathophysiology of DSWPS, including behavioural and psychological, as well as biological factors. […] The importance of evening artificial light exposure as a phase delaying mechanism cannot be underestimated. […] It has also been postulated that the intrinsic circadian period (or tau) of patients with DSWPD, which are determined by the temporal course of the molecular feedback loops within neurons of the suprachiasmatic nucleus, may be modestly longer than that of normal chronotypes. […] A further mechanism contributing to the development of DSWPD is likely to be intrinsic differences in sleep homeostasis in individuals who develop the disorder. […] Relapses in treatment and decompensation are common, and patients should be counselled for this eventuality, and encouraged to follow their original treatment plans should this occur.
  • #51 Delayed sleep-wake phase disorder – Nesbitt – Journal of Thoracic Disease
    https://jtd.amegroups.org/article/view/18434/html
    The disorder is felt to be most prevalent in teenagers. […] However, over half of the respondents meeting the diagnostic criteria for DSWPD also met those for used in this study for insomnia. […] Many patients with DSWPD will have co-existent mental health concerns. Indeed, one small series of patients with DSWPD or extreme evening chronotype found as many as 70% to have a diagnosable axis 1 psychiatric disorder. […] Affective disorders can manifest with a wide variety of sleep disturbances, and it can be difficult to tease apart and characterise these. […] Of interest, it would seem that patients with true circadian DSWPD (delayed timing of melatonin secretion) are more prone to depression than those with non-circadian DSWPD. […] Patients with ASD have a high incidence of sleep disorders, including circadian rhythm sleep wake disorders, of which DSWPD is the most common phenotype.
  • #52 The Truth About Delayed Sleep Phase Disorder
    https://www.alluremedical.com/truth-delayed-sleep-phase-disorder/
    Delayed sleep phase disorder (DSPD) is a chronic condition in which your circadian rhythm is significantly delayed compared to the average persons sleep-wake cycle. […] With DSPD, you tend to feel alert and energetic much later at night than is typical. You have trouble falling asleep until the early morning hours sometimes as late as 6am or even later. […] The primary symptom of DSPD is an inability to fall asleep at a conventional bedtime. Specific DSPD symptoms include: Not feeling sleepy until very late at night, typically after midnight or even until dawn. […] Other signs of DSPD include: Strong urge to go to bed later and later over time. […] The key is that you have chronic issues falling asleep at a desired bedtime and feel wide awake late into the night. This severe mismatch with societal norms is what indicates DSPD.
  • #53 Delayed sleep–wake phase disorder and its related sleep behaviors in the young generation
    https://pmc.ncbi.nlm.nih.gov/articles/PMC10235460/
    The sleep duration of patients with DSWPD is mostly well maintained during their free days, although the sleep phases are apparently delayed. However, on weekdays, they experience difficulty falling asleep and waking up at socially desirable times, such as school or work timings, which interferes with their daily lives. Patients with DSWPD frequently experience daytime sleepiness, fatigue, headache, anorexia, and depression. […] Many studies have reported a certain relationship between DSWPD and psychological problems or decreased social functioning, although some negative observations have also been reported. Cross-sectional studies have shown higher depression and anxiety scores in patients with DSWPD, as well as lower health-related quality of life and more frequent self-harm and suicidal ideation.
  • #54 Delayed Sleep Phase Syndrome: Causes, Symptoms & Treatments
    https://www.healthline.com/health/sleep-deprivation/delayed-sleep-phase-syndrome
    Delayed sleep phase syndrome (DSPS) is a type of circadian rhythm sleep disorder. Its also known as delayed sleep phase disorder or delayed sleep-wake phase disorder. […] If you have DSPS, you cant fall asleep at a socially acceptable bedtime. Instead, your sleep is delayed by at least two hours. This happens even when youre tired. […] DSPS is common. It can develop at any age, but it mostly affects teenagers and younger adults. Approximately 15 percent of adolescents and adults have DSPS. […] DSPS makes it hard to fall asleep at a conventional bedtime. The delay in your internal clock tells your body to stay alert. […] Typically, you wont be able to sleep until several hours after midnight, between 2 a.m. and 6 a.m. […] Because you cant get to sleep until late, DSPS also makes it hard to get up at a normal time. This is because your internal clock hasnt started telling your body to wake up.
  • #55 SLEEP TIMING AND CIRCADIAN PHASE IN DELAYED SLEEP PHASE
    https://pmc.ncbi.nlm.nih.gov/articles/PMC3689431/
    Our findings suggest that under entrained conditions, when allowed to sleep at their habitual sleep times, DSPS patients had normal sleep. […] The significant delay in both phase markers without an accompanying alteration in the phase angle of entrainment suggests that although DSPS subjects exhibit later sleep-wake times under entrained conditions, they are not sleeping at an adverse circadian phase for maximum sleep efficiency. […] Our findings suggest that when allowed to sleep at their own habitual schedules, patients with DSPS have both normal sleep parameters and circadian phase angle.
  • #56 Delayed Sleep-Wake Phase Disorder | Boston Children’s Hospital
    https://www.childrenshospital.org/conditions/delayed-sleep-wake-phase-disorder
    Does your child stay up very late and have great difficulty waking up for school in the morning? Does he or she seem tired during school hours, but then can’t fall asleep until well after midnight? […] Children with DSWPD typically cannot fall asleep at the appropriate or desired time of night, but are able to fall asleep readily around midnight or later. […] The natural morning wake time is similarly delayed, often making it extremely difficult to become alert before the late morning or early afternoon. […] When allowed to sleep on their preferred later schedule, most children with DSWPD feel rested and can function well. However, when their natural schedule conflicts with normal school, work or lifestyle demands, delayed sleep-wake phase disorder can impair a child’s functioning during the day.
  • #57 Symptoms of Delayed Sleep Phase Syndrome (DSPS) – Psycho Wellnesscenter
    https://www.psychowellnesscenter.com/Blog/symptoms-of-delayed-sleep-phase-syndrome
    A key characteristic of DSPS is the consistency of the delayed sleep pattern when the individual is free to choose their own sleep schedule. On weekends or holidays, when external constraints like school or work are removed, they tend to revert to their natural sleep-wake cycle, going to bed and waking up much later. […] The inability to adhere to conventional sleep schedules can lead to significant social and occupational impairments. Individuals with DSPS may struggle with punctuality, attendance, and performance in school or work, leading to stress and potential conflicts. Social activities that require early morning participation can also be challenging. […] Chronic sleep deprivation and the inability to conform to societal norms regarding sleep can contribute to psychological distress, including anxiety and depression. The frustration of not being able to change their sleep pattern despite various efforts can also lead to feelings of helplessness and low self-esteem.
  • #58 Delayed Sleep Phase Syndrome: Symptoms, Causes, and Treatment
    https://www.verywellmind.com/delayed-sleep-phase-syndrome-symptoms-causes-and-treatment-7110083
    Difficulty waking up early: Not being able to sleep on time can make it very hard for you to wake up early because you havent gotten enough sleep. Adhering to a typical 9 a.m. to 5 p.m. schedule can feel like a struggle. […] Excessive daytime sleepiness: If youve woken up early and havent gotten as much sleep as you need, you will likely feel extremely tired and sleepy during the day. You may even find yourself dozing off at school or work. […] Refreshing sleep on holidays: By contrast, you will probably find yourself feeling much better on days that youre allowed to sleep in, on weekends or holidays for instance, because youve gotten adequate sleep. Your natural wake time may be late in the morning or well past noon. […] Delayed sleep phase syndrome can lead to chronic sleep deprivation, which can impact your health and your quality of life in many ways.
  • #59 Delayed Sleep Phase Syndrome: Signs, ADHD Link, TreatmentsFooterLogo
    https://www.additudemag.com/delayed-sleep-phase-syndrome-signs-treatments-adhd/?srsltid=AfmBOoqLIkkufYycGdNiedLjHqQ4JQvrrty5xaNWOMt4_o1N2mGXWUVN
    Accurate identification of DSPS – a treatable condition – is essential, as conventional approaches to manage sleep problems are often inadequate or ineffective for this sleep disorder. […] Individuals experiencing insomnia will report trouble initiating sleep, while those with DSPS will have trouble initiating sleep at conventional, socially normal times. […] Standard interventions for sleep difficulties (like those recommended for insomnia), such as sleep hygiene, sleep restriction, and stimulus control strategies, as well as sedative medication, are unlikely to be effective for individuals with DSPS. […] Talk to your doctor about taking melatonin to manage DSPS, as carefully timed melatonin administration can aid in shifting circadian rhythm.
  • #60 Delayed sleep–wake phase disorder and its related sleep behaviors in the young generation
    https://pmc.ncbi.nlm.nih.gov/articles/PMC10235460/
    The sleep duration of patients with DSWPD is mostly well maintained during their free days, although the sleep phases are apparently delayed. However, on weekdays, they experience difficulty falling asleep and waking up at socially desirable times, such as school or work timings, which interferes with their daily lives. Patients with DSWPD frequently experience daytime sleepiness, fatigue, headache, anorexia, and depression. […] Many studies have reported a certain relationship between DSWPD and psychological problems or decreased social functioning, although some negative observations have also been reported. Cross-sectional studies have shown higher depression and anxiety scores in patients with DSWPD, as well as lower health-related quality of life and more frequent self-harm and suicidal ideation.
  • #61
    https://www.aurorahealthcare.org/services/sleep-disorders/delayed-sleep-phase-syndrome
    Struggling to fall asleep until the early morning hours and finding it hard to wake up for your daily commitments can make it difficult to keep your daily routine. If you are constantly staying up late without trying, or feel extremely tired in the morning, you might be experiencing delayed sleep phase syndrome (DSPS) which disrupts your natural sleep-wake cycle. […] Delayed sleep phase disorder causes you to fall asleep late at night and wake up later in the morning without trying. Its more than just being a night owl; its a chronic condition that can impact your daily life and make it difficult to maintain your regular schedule. […] Recognizing the signs of delayed sleep phase syndrome can help you seek appropriate treatment. Common symptoms include: Difficulty falling asleep at a conventional bedtime, Staying up later than usual or sleeping in, Trouble waking up in the morning, Daytime sleepiness or fatigue, Improved alertness and energy in the evening.
  • #62 What is Delayed Sleep Phase Syndrome | The Symptoms of DSPS
    https://www.tmjandsleep.com.au/articles/delayed-sleep-phase-syndrome/
    Subsequently, the lack of quality sleep can trigger a number of symptoms and problems, including: Excessive drowsiness difficulty staying awake during the day, nodding off throughout the day, Difficulty staying focused and remembering not getting enough sleep can cause anyone to struggle to concentrate or think clearly and remember certain details, Difficulty performing simple and usual tasks sleep disorders can make it difficult to perform simple tasks that you normally do as part of your day, Alcohol and/or drug abuse to fall asleep or stay awake, people struggling from DPSD may end up abusing alcohol and/or stimulant drugs.
  • #63 Symptoms of Delayed Sleep Phase Syndrome (DSPS) – Psycho Wellnesscenter
    https://www.psychowellnesscenter.com/Blog/symptoms-of-delayed-sleep-phase-syndrome
    Due to the delayed sleep onset, waking up in the morning for school, work, or other commitments can be extremely challenging for those with DSPS. Even if they manage to fall asleep late, their bodies naturally want to sleep for a full 7-9 hours, leading to significant sleep deprivation if they are forced to wake up early. […] The misalignment between the individuals internal clock and the external environment often results in insufficient sleep, causing excessive daytime sleepiness and fatigue. This can impact cognitive functions such as attention, memory, and decision-making, further affecting academic and occupational performance. […] Unlike people with general sleep deprivation, individuals with DSPS often feel more awake and alert in the evening and nighttime. This can make it difficult for them to unwind and prepare for sleep at a conventional bedtime.
  • #64 Delayed sleep–wake phase disorder and its related sleep behaviors in the young generation
    https://pmc.ncbi.nlm.nih.gov/articles/PMC10235460/
    DSWPD has been suggested to be associated with lower grades in students and frequent absenteeism, as well as lower productivity and presenteeism in the working generation. […] DSWPD has a prevalence of 0.171.51% in the general population, which is reported lower than that of DSP. In comparison, a survey of 10,220 adolescents aged 1618years in Norway found a relatively higher rate of 3.3%, while a more recent Norwegian survey of 50,054 students aged 1835years also showed a prevalence of 3.3%. These results suggest that DSWPD is possibly more prevalent in the younger generation than in the older generations. […] The higher prevalence of DSWPD in adolescents and young adults may reflect a preference for a night owl lifestyle and biological change in this generation.
  • #65 What is Delayed Sleep Phase Syndrome | The Symptoms of DSPS
    https://www.tmjandsleep.com.au/articles/delayed-sleep-phase-syndrome/
    Subsequently, the lack of quality sleep can trigger a number of symptoms and problems, including: Excessive drowsiness difficulty staying awake during the day, nodding off throughout the day, Difficulty staying focused and remembering not getting enough sleep can cause anyone to struggle to concentrate or think clearly and remember certain details, Difficulty performing simple and usual tasks sleep disorders can make it difficult to perform simple tasks that you normally do as part of your day, Alcohol and/or drug abuse to fall asleep or stay awake, people struggling from DPSD may end up abusing alcohol and/or stimulant drugs.
  • #66 Symptoms of Delayed Sleep Phase Syndrome (DSPS) – Psycho Wellnesscenter
    https://www.psychowellnesscenter.com/Blog/symptoms-of-delayed-sleep-phase-syndrome
    Sleep inertia, the grogginess and disorientation experienced upon waking, can be more pronounced in individuals with DSPS, especially if they are forced to wake up during their bodys preferred sleep phase. This can make mornings particularly difficult and impact their ability to function effectively soon after waking. […] Melatonin, a hormone that regulates sleep-wake cycles, is typically released in response to darkness. In people with DSPS, melatonin release is delayed, aligning with their delayed sleep phase. This physiological delay contributes to their difficulty in falling asleep at an earlier time. […] Many individuals with DSPS may not be aware that their sleep difficulties are due to a circadian rhythm disorder. As a result, they might be misdiagnosed with insomnia or other sleep disorders. Proper diagnosis requires a comprehensive evaluation by a sleep specialist, often including sleep diaries and actigraphy.
  • #67 Symptoms of Delayed Sleep Phase Syndrome (DSPS) – Psycho Wellnesscenter
    https://www.psychowellnesscenter.com/Blog/symptoms-of-delayed-sleep-phase-syndrome
    Sleep inertia, the grogginess and disorientation experienced upon waking, can be more pronounced in individuals with DSPS, especially if they are forced to wake up during their bodys preferred sleep phase. This can make mornings particularly difficult and impact their ability to function effectively soon after waking. […] Melatonin, a hormone that regulates sleep-wake cycles, is typically released in response to darkness. In people with DSPS, melatonin release is delayed, aligning with their delayed sleep phase. This physiological delay contributes to their difficulty in falling asleep at an earlier time. […] Many individuals with DSPS may not be aware that their sleep difficulties are due to a circadian rhythm disorder. As a result, they might be misdiagnosed with insomnia or other sleep disorders. Proper diagnosis requires a comprehensive evaluation by a sleep specialist, often including sleep diaries and actigraphy.
  • #68 Delayed Sleep Phase Syndrome: Signs, ADHD Link, TreatmentsFooterLogo
    https://www.additudemag.com/delayed-sleep-phase-syndrome-signs-treatments-adhd/?srsltid=AfmBOoqLIkkufYycGdNiedLjHqQ4JQvrrty5xaNWOMt4_o1N2mGXWUVN
    Delayed sleep phase syndrome is a sleep disorder that disrupts one’s ability to sleep and wake at conventional times. DSPS is commonly seen with ADHD. […] DSPS is frequently misdiagnosed or overlooked in individuals with ADHD, leading to ineffective treatments and continued sleep disturbances. […] Proper treatment of DSPS comprises specialized approaches like light therapy and melatonin supplementation, which aim to regulate the internal body clock and improve sleep quality. […] DSPS is characterized by significant difficulty falling asleep and waking up at socially conventional times. […] Individuals with DSPS will go to bed at socially conventional times, only to lie awake in the dark for hours, waiting to fall asleep. […] When DSPS goes unrecognized or misdiagnosed, it can wreak havoc on ADHD symptoms and seriously disrupt quality of life.
  • #69 Everything You Should Know About Delayed Sleep Phase Syndrome – CNET
    https://www.cnet.com/health/sleep/delayed-sleep-phase-syndrome/
    Delayed sleep phase syndrome may be to blame, and it’s more common than you think. […] DSPS is a circadian rhythm disorder that affects a person’s ability to go to bed at „normal” hours, which leads them to sleep most of the day away. […] Typically, people with DSPS fall asleep anywhere from 2 a.m. to 6 a.m., meaning they don’t get rest until well after midnight. […] Most studies show that having a circadian rhythm disorder starts during a person’s teenage years. Then, it gets progressively worse into young adulthood. […] Everyone diagnosed with this syndrome is different. Researchers have found that most people are groggy, sleep-deprived and lack awareness when they go against their body’s natural circadian rhythm. […] DSPS is often misdiagnosed as insomnia, depression or other common sleep or mental health disorders.
  • #70 Delayed Sleep Phase Syndrome: Signs, ADHD Link, TreatmentsFooterLogo
    https://www.additudemag.com/delayed-sleep-phase-syndrome-signs-treatments-adhd/?srsltid=AfmBOoqLIkkufYycGdNiedLjHqQ4JQvrrty5xaNWOMt4_o1N2mGXWUVN
    Accurate identification of DSPS – a treatable condition – is essential, as conventional approaches to manage sleep problems are often inadequate or ineffective for this sleep disorder. […] Individuals experiencing insomnia will report trouble initiating sleep, while those with DSPS will have trouble initiating sleep at conventional, socially normal times. […] Standard interventions for sleep difficulties (like those recommended for insomnia), such as sleep hygiene, sleep restriction, and stimulus control strategies, as well as sedative medication, are unlikely to be effective for individuals with DSPS. […] Talk to your doctor about taking melatonin to manage DSPS, as carefully timed melatonin administration can aid in shifting circadian rhythm.
  • #71 SLEEP TIMING AND CIRCADIAN PHASE IN DELAYED SLEEP PHASE
    https://pmc.ncbi.nlm.nih.gov/articles/PMC3689431/
    Our findings suggest that under entrained conditions, when allowed to sleep at their habitual sleep times, DSPS patients had normal sleep. […] The significant delay in both phase markers without an accompanying alteration in the phase angle of entrainment suggests that although DSPS subjects exhibit later sleep-wake times under entrained conditions, they are not sleeping at an adverse circadian phase for maximum sleep efficiency. […] Our findings suggest that when allowed to sleep at their own habitual schedules, patients with DSPS have both normal sleep parameters and circadian phase angle.
  • #72 Delayed Sleep Phase Syndrome: Signs, ADHD Link, TreatmentsFooterLogo
    https://www.additudemag.com/delayed-sleep-phase-syndrome-signs-treatments-adhd/?srsltid=AfmBOoqLIkkufYycGdNiedLjHqQ4JQvrrty5xaNWOMt4_o1N2mGXWUVN
    Accurate identification of DSPS – a treatable condition – is essential, as conventional approaches to manage sleep problems are often inadequate or ineffective for this sleep disorder. […] Individuals experiencing insomnia will report trouble initiating sleep, while those with DSPS will have trouble initiating sleep at conventional, socially normal times. […] Standard interventions for sleep difficulties (like those recommended for insomnia), such as sleep hygiene, sleep restriction, and stimulus control strategies, as well as sedative medication, are unlikely to be effective for individuals with DSPS. […] Talk to your doctor about taking melatonin to manage DSPS, as carefully timed melatonin administration can aid in shifting circadian rhythm.
  • #73 How to Identify and Treat Delayed Sleep Phase Syndrome – eachnight
    https://eachnight.com/sleep/delayed-sleep-phase-syndrome/
    Delayed Sleep Phase Syndrome: This syndrome involves a significant delay in a persons natural sleep-wake cycle. People with this condition typically struggle to fall asleep at a conventional bedtime and may experience their most restful sleep during unconventional hours, such as the late morning. […] The most common symptom that people with Delayed Sleep Phase Syndrome report later sleep and wake times. Other symptoms include falling asleep much later than when you went to bed and being unable to wake up at the desired time. […] If you feel like you may have Delayed Sleep Phase Syndrome, its important to note that these symptoms need to happen on a consistent basis. While people with Delayed Sleep Phase Syndrome struggle to fall asleep, they do achieve a normal amount of sleep. The big difference is that they do so on their own schedule.
  • #74 Ask the Doctor: Delayed Sleep Phase Syndrome or Idiopathic Hypersomnia? – Hypersomnia Foundation
    https://www.hypersomniafoundation.org/ask-the-doctor-delayed-sleep-phase-syndrome-or-ih/
    The diagnosis of delayed sleep phase syndrome, also called delayed sleep-wake phase disorder (DSWPD), is based on a history of a consistent (for 3 months or more) delay in the timing of the sleep episode at night, with the complaint of an inability to fall asleep or wake up at conventional times. The person will typically fall asleep very late in the night (around 1 to 6 AM) and, if there is no social or professional obligation to wake up at a certain time, will only wake up in the late morning or afternoon. The person with DSWPD will often complain of daytime sleepiness because of the need to wake up well before the time of spontaneous awakening, resulting in an insufficient amount of sleep. […] It is indeed important to rule out a DSWPD before confirming a diagnosis of IH. Usually the history will be very different as people with IH do not typically demonstrate delayed bedtimes, and will not wake up refreshed even when given the opportunity to sleep as much as they want, in contrast to DSWPD. A sleep diary (with actigraphy, if available) can be useful to differentiate the 2 conditions.
  • #75 Delayed Sleep Phase Syndrome: Symptoms, Causes, and Treatment
    https://www.verywellmind.com/delayed-sleep-phase-syndrome-symptoms-causes-and-treatment-7110083
    A 2018 review notes that there is a significant link between delayed sleep phase syndrome and mental health conditionsup to 70% of people with delayed sleep phase syndrome have a psychiatric disorder, such as depression or bipolar disorder. […] Symptoms of delayed sleep phase syndrome, such as sleep deprivation, daytime sleepiness, and chronic fatigue, can make it difficult for you to function and cause you to experience negative consequences such as: […] A 2014 review notes that someone who had delayed sleep phase syndrome as a teenager may still experience negative consequences well into adulthood, even if they dont have the condition anymore. […] Delayed sleep phase syndrome may be hereditary, so you may be more likely to have it if someone in your immediate family has it. […] Your circadian rhythm, also known as your internal body clock, changes when you reach puberty. While it’s normal for it to get slightly delayed, a significant delay, often due to fluctuations in your melatonin levels, can lead to delayed sleep phase syndrome. […] Delayed sleep phase disorder can make it hard for you to get enough sleep on most days, which can affect your health, safety, and well-being. Taking steps to treat the condition and reset your body clock can help improve your health, your performance at work/school, and your social and family life.
  • #76 Delayed Sleep Phase Syndrome (DSPS): Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/14295-delayed-sleep-phase-syndrome-dsps
    Delayed sleep phase syndrome has a genetic cause. […] Research suggests that the genetic component makes your body’s natural circadian rhythm longer than average. This can affect your body’s desire to fall asleep at a scheduled time. […] Delayed sleep phase syndrome may cause the following complications: Depression: Your ability to sleep can affect your mood and stamina. Over 60% of people diagnosed with delayed sleep phase syndrome experience depression. […] Delayed sleep phase syndrome doesn’t go away. Treatment is ongoing to manage it. It may take several weeks to months until you’re able to reschedule your sleep-wake cycle. […] There’s no cure for delayed sleep phase syndrome (DSPS). Treatment is effective at improving your sleep to reduce your symptoms. […] Most people have a positive outlook if they’re able to follow a treatment plan to get their sleep schedule where they want it. Untreated DSPS can impact your daily life. When you’re constantly tired, it’s difficult to be active and present to do the things you enjoy. Many people who experience DSPS also have periods of depression.
  • #77
    https://link.springer.com/article/10.1007/s41105-018-0188-0
    The data suggest a high prevalence of probable ADHD in DSPD patients and increased prevalence of DSPD and other sleep disorders in patients with probable ADHD. […] Probable ADHD was reported by 47.6% of the DSPD patients and by 26.9% of the non-DSPD patients (p=0.059). […] The DSPD group showed significant higher total ADHD-RS scores (p=0.011). […] In the probable ADHD group more patients were designated as DSPD (28%) compared to the non-ADHD group (13.6% [χ2=10.402, p=0.001]). […] Also 20 min later, DLMO (22:46 h) was found (p=0.017) and more positive HSDQ scores on insomnia, parasomnia, hypersomnia, and sleep-related breathing disorders were reported in the probable ADHD group than in the non-probable ADHD group (χ2 resp. 16.07; p0.001, 9.245; p=0.002, 19.391; p=0.00 and 5.865; p=0.059).
  • #78 Delayed Sleep Phase Disorder (Delayed Sleep Phase Syndrome) | The Better Sleep Clinic
    https://thebettersleepclinic.com/sleep-disorders/delayed-sleep-phase-disorder
    DSWPD frequently co-occurs with mood disorders, particularly depression and anxiety. A Norwegian population-based study found that adolescents with DSWPD were more likely to experience symptoms of depression and anxiety compared to their peers without sleep phase delays (Sivertsen et al., 2015). The relationship between DSWPD and mood disorders is likely bidirectional, with each condition potentially exacerbating the other. […] Untreated DSWPD can lead to various complications, including: Mental health issues (e.g., depression, anxiety), Cognitive and academic difficulties, Occupational problems, Social isolation, Increased risk of metabolic and cardiovascular disorders.
  • #79 Delayed sleep-wake phase disorder – Nesbitt – Journal of Thoracic Disease
    https://jtd.amegroups.org/article/view/18434/html
    The disorder is felt to be most prevalent in teenagers. […] However, over half of the respondents meeting the diagnostic criteria for DSWPD also met those for used in this study for insomnia. […] Many patients with DSWPD will have co-existent mental health concerns. Indeed, one small series of patients with DSWPD or extreme evening chronotype found as many as 70% to have a diagnosable axis 1 psychiatric disorder. […] Affective disorders can manifest with a wide variety of sleep disturbances, and it can be difficult to tease apart and characterise these. […] Of interest, it would seem that patients with true circadian DSWPD (delayed timing of melatonin secretion) are more prone to depression than those with non-circadian DSWPD. […] Patients with ASD have a high incidence of sleep disorders, including circadian rhythm sleep wake disorders, of which DSWPD is the most common phenotype.
  • #80 Understanding and Managing Delayed Sleep Phase Syndrome (DSPS)
    https://blog.wellcare-global.com/blog/understanding-and-managing-delayed-sleep-phase-syndrome-dsps
    Delayed Sleep Phase Syndrome (DSPS) is a circadian rhythm sleep-wake disorder characterized by continuous difficulty in falling asleep and waking up often at night. The common symptoms of DSPS are: […] The primary reason for DSPS is a disruption in the internal biological clock. […] Delayed Sleep Phase Syndrome adults can be very stressful for them, and affect their performance as they feel dizzy, low, and sleepy. […] Delayed Sleep Phase Syndromes effects on mental health and can be very serious, including the risk of bipolar disorder. […] DSPS encompasses a range of severity from mild to critical. […] DSPS can be treated in more than one way.
  • #81 Delayed Sleep Phase Disorder (Delayed Sleep Phase Syndrome) | The Better Sleep Clinic
    https://thebettersleepclinic.com/sleep-disorders/delayed-sleep-phase-disorder
    DSWPD frequently co-occurs with mood disorders, particularly depression and anxiety. A Norwegian population-based study found that adolescents with DSWPD were more likely to experience symptoms of depression and anxiety compared to their peers without sleep phase delays (Sivertsen et al., 2015). The relationship between DSWPD and mood disorders is likely bidirectional, with each condition potentially exacerbating the other. […] Untreated DSWPD can lead to various complications, including: Mental health issues (e.g., depression, anxiety), Cognitive and academic difficulties, Occupational problems, Social isolation, Increased risk of metabolic and cardiovascular disorders.
  • #82 Delayed Sleep Phase Syndrome (DSPS) Specialist in Houston
    https://breathefreely.com/delayed-sleep-phase-syndrome/
    DSPS can interfere with social interactions, job performance, and academic success, as it often leads to chronic lateness, absences, or performance issues. […] While there is no cure for DSPS, various treatments can help manage the symptoms and improve a person’s ability to maintain a more typical sleep schedule. […] Managing DSPS can be challenging, but with proper treatment and lifestyle adjustments, many individuals can find relief from their symptoms. […] Adopting healthy sleep habits, such as maintaining consistent sleep and wake times, reducing light exposure in the evening, and incorporating relaxation techniques, can significantly improve the quality of life for those living with DSPS.
  • #83 Symptoms of Delayed Sleep Phase Syndrome (DSPS) – Psycho Wellnesscenter
    https://www.psychowellnesscenter.com/Blog/symptoms-of-delayed-sleep-phase-syndrome
    A key characteristic of DSPS is the consistency of the delayed sleep pattern when the individual is free to choose their own sleep schedule. On weekends or holidays, when external constraints like school or work are removed, they tend to revert to their natural sleep-wake cycle, going to bed and waking up much later. […] The inability to adhere to conventional sleep schedules can lead to significant social and occupational impairments. Individuals with DSPS may struggle with punctuality, attendance, and performance in school or work, leading to stress and potential conflicts. Social activities that require early morning participation can also be challenging. […] Chronic sleep deprivation and the inability to conform to societal norms regarding sleep can contribute to psychological distress, including anxiety and depression. The frustration of not being able to change their sleep pattern despite various efforts can also lead to feelings of helplessness and low self-esteem.
  • #84 Delayed sleep–wake phase disorder and its related sleep behaviors in the young generation
    https://pmc.ncbi.nlm.nih.gov/articles/PMC10235460/
    DSWPD has been suggested to be associated with lower grades in students and frequent absenteeism, as well as lower productivity and presenteeism in the working generation. […] DSWPD has a prevalence of 0.171.51% in the general population, which is reported lower than that of DSP. In comparison, a survey of 10,220 adolescents aged 1618years in Norway found a relatively higher rate of 3.3%, while a more recent Norwegian survey of 50,054 students aged 1835years also showed a prevalence of 3.3%. These results suggest that DSWPD is possibly more prevalent in the younger generation than in the older generations. […] The higher prevalence of DSWPD in adolescents and young adults may reflect a preference for a night owl lifestyle and biological change in this generation.
  • #85 Reddit – The heart of the internet
    https://www.reddit.com/r/DSPD/comments/13j91f4/my_struggle_with_delayed_sleep_phase_disorder/
    How have you coped with these symptoms and managed to adjust your sleep patterns? Are there any lifestyle changes, techniques, or treatments that have helped you in regulating your sleep-wake cycle? […] It’s often difficult for others to understand the impact of DSPD and the need for flexibility in my schedule.
  • #86 How to treat Delayed Sleep Phase Syndrome — Sleep Cycle
    https://www.sleepcycle.com/sleep-disorders/identifying-and-treating-delayed-sleep-phase-disorder/
    People suffering from DSPS are also affected by the symptoms above for at least seven days. […] While anyone can develop DSPS, certain individuals are more at risk than others: Adolescents and young adults: They are at increased risk for developing DSPS due to the natural changes in their sleep patterns which occur during puberty. […] Certain medical conditions, such as depression and anxiety, can increase the risk of developing DSPS. […] Studies indicate that 50% of DSPS sufferers also experience depression, so ensuring the right problem is identified is a vital first step in any treatment. […] If you think you may have DSPS, we recommend contacting a healthcare professional. […] This treatment requires a lot of discipline and adherence to a strict schedule, but it can be effective for people with severe DSPS. […] People with DSPS may feel isolated from society as the disorder can significantly impact their lifestyle, leading to anxiety about their late sleep schedule. […] While there are various helpful tips for achieving quality sleep, it is essential to take DSPS and any sleep disorder seriously.
  • #87 Symptoms of Delayed Sleep Phase Syndrome (DSPS) – Psycho Wellnesscenter
    https://www.psychowellnesscenter.com/Blog/symptoms-of-delayed-sleep-phase-syndrome
    A key characteristic of DSPS is the consistency of the delayed sleep pattern when the individual is free to choose their own sleep schedule. On weekends or holidays, when external constraints like school or work are removed, they tend to revert to their natural sleep-wake cycle, going to bed and waking up much later. […] The inability to adhere to conventional sleep schedules can lead to significant social and occupational impairments. Individuals with DSPS may struggle with punctuality, attendance, and performance in school or work, leading to stress and potential conflicts. Social activities that require early morning participation can also be challenging. […] Chronic sleep deprivation and the inability to conform to societal norms regarding sleep can contribute to psychological distress, including anxiety and depression. The frustration of not being able to change their sleep pattern despite various efforts can also lead to feelings of helplessness and low self-esteem.
  • #88 Reddit – The heart of the internet
    https://www.reddit.com/r/adhdwomen/comments/y6m6bg/delayed_sleep_phase_syndrome/
    Those with ADHD often deal with DSPS, which basically spells out to our circadian rhythm is thrown off by 2+ hours. Which means you don’t get tired until like after midnight and don’t naturally want to wake up until late morning or early afternoon. […] If we slept the way our bodies wanted to, we would deal with much less consequences of being tired during the day, stress, anxiety, depression, etc.
  • #89 Delayed Sleep Phase Syndrome (DSPS): Symptoms & Treatment
    https://my.clevelandclinic.org/health/diseases/14295-delayed-sleep-phase-syndrome-dsps
    Delayed sleep phase syndrome has a genetic cause. […] Research suggests that the genetic component makes your body’s natural circadian rhythm longer than average. This can affect your body’s desire to fall asleep at a scheduled time. […] Delayed sleep phase syndrome may cause the following complications: Depression: Your ability to sleep can affect your mood and stamina. Over 60% of people diagnosed with delayed sleep phase syndrome experience depression. […] Delayed sleep phase syndrome doesn’t go away. Treatment is ongoing to manage it. It may take several weeks to months until you’re able to reschedule your sleep-wake cycle. […] There’s no cure for delayed sleep phase syndrome (DSPS). Treatment is effective at improving your sleep to reduce your symptoms. […] Most people have a positive outlook if they’re able to follow a treatment plan to get their sleep schedule where they want it. Untreated DSPS can impact your daily life. When you’re constantly tired, it’s difficult to be active and present to do the things you enjoy. Many people who experience DSPS also have periods of depression.
  • #90 Delayed Sleep-Wake Phase – Sleep Education by the AASM
    https://sleepeducation.org/sleep-disorders/delayed-sleep-wake-phase/
    Symptoms of DSP include: A delayed sleep pattern in relation to desired sleep and wake times, Trouble falling asleep at the desired bedtime, Inability to wake up in the morning, Normal duration and quality of sleep when there is no need to go to sleep or wake up at a specific time, A stable but delayed sleep pattern for at least seven days. […] The exact rate of DSP is unknown in the general population. It is much more common in teens and young adults. About 7% to 16% of teens and young adults may have DSP. DSP is likely to be found in 10% of people with a complaint of insomnia. People who tend to be “evening types” or “night owls” are likely to develop DSP. […] A sleep diary is a way to track your sleep pattern. You record the time you get into bed, the time required to fall asleep, and the time you wake up in the morning. If you have DSP, your sleep diary will likely show a regular pattern of difficulty falling to sleep, few or no awakenings once asleep, and a sleep duration that is reduced during the work week and lengthy on the weekend.
  • #91 Delayed Sleep Phase Syndrome (DSPS): Causes, Symptoms, and Treatments  – Amerisleep
    https://amerisleep.com/blog/delayed-sleep-phase-syndrome/
    Delayed Sleep Phase Syndrome (DSPS) is a common sleep disorder characterized by a delayed sleep pattern, typically falling asleep and waking up later than socially acceptable or conventional bedtimes. […] DSPS is characterized by a sleep pattern that is delayed by two or more hours beyond socially acceptable or conventional bed time. This is caused by a delayed timing in the body’s internal sleep clock or circadian rhythm. […] According to the American Sleep Association, DSPS often develops in adolescence but continues through adulthood. Roughly 7-16% of adolescents are impacted, primarily due to: Social pressures from school, Excessive computer or phone usage, Media/TV consumption, Changes in hormones. […] There are a number of signs and symptoms that individuals may experience before being diagnosed with DSPS. Difficulty Falling Asleep: The most common is difficulty falling asleep which often presents itself as insomnia complaints, unless going to bed very late. Typically, most people with DSPS can’t fall asleep until after midnight and usually between the hours of 2 a.m. and 6 a.m.
  • #92 What Is Delayed Sleep Phase Syndrome? | Sleep.comBurger Menu Icon
    https://www.sleep.com/sleep-health/delayed-sleep-phase-disorder
    While DSPD can overlap with other sleep conditions, such as insomnia, for the most part, people with DSPD sleep well when allowed to adhere to the sleep schedule that feels most natural to them. […] Some risk factors include: […] Adolescents and young adults are far more prone to developing DSPD for a variety of reasons. […] “During puberty, there’s a natural shift in the circadian rhythm known as sleep-phase delay,” says Singh. “This means that adolescents’ internal clocks make them feel sleepy later at night and more alert in the late afternoon and evening. What’s more, teenagers often face social pressures to stay up late, such as engaging in social media, chatting with friends, or attending events. These activities can contribute to delayed bedtimes and reinforce night owl tendencies.”
  • #93 Delayed Sleep Phase Syndrome (DSPS): Causes, Symptoms, and Treatments  – Amerisleep
    https://amerisleep.com/blog/delayed-sleep-phase-syndrome/
    Delayed Sleep Phase Syndrome (DSPS) is a common sleep disorder characterized by a delayed sleep pattern, typically falling asleep and waking up later than socially acceptable or conventional bedtimes. […] DSPS is characterized by a sleep pattern that is delayed by two or more hours beyond socially acceptable or conventional bed time. This is caused by a delayed timing in the body’s internal sleep clock or circadian rhythm. […] According to the American Sleep Association, DSPS often develops in adolescence but continues through adulthood. Roughly 7-16% of adolescents are impacted, primarily due to: Social pressures from school, Excessive computer or phone usage, Media/TV consumption, Changes in hormones. […] There are a number of signs and symptoms that individuals may experience before being diagnosed with DSPS. Difficulty Falling Asleep: The most common is difficulty falling asleep which often presents itself as insomnia complaints, unless going to bed very late. Typically, most people with DSPS can’t fall asleep until after midnight and usually between the hours of 2 a.m. and 6 a.m.
  • #94 Delayed Sleep Phase Syndrome (DSPS): Causes, Symptoms, and Treatments  – Amerisleep
    https://amerisleep.com/blog/delayed-sleep-phase-syndrome/
    Delayed Sleep Phase Syndrome (DSPS) is a common sleep disorder characterized by a delayed sleep pattern, typically falling asleep and waking up later than socially acceptable or conventional bedtimes. […] DSPS is characterized by a sleep pattern that is delayed by two or more hours beyond socially acceptable or conventional bed time. This is caused by a delayed timing in the body’s internal sleep clock or circadian rhythm. […] According to the American Sleep Association, DSPS often develops in adolescence but continues through adulthood. Roughly 7-16% of adolescents are impacted, primarily due to: Social pressures from school, Excessive computer or phone usage, Media/TV consumption, Changes in hormones. […] There are a number of signs and symptoms that individuals may experience before being diagnosed with DSPS. Difficulty Falling Asleep: The most common is difficulty falling asleep which often presents itself as insomnia complaints, unless going to bed very late. Typically, most people with DSPS can’t fall asleep until after midnight and usually between the hours of 2 a.m. and 6 a.m.
  • #95 Delayed Sleep-Wake Phase Disorder in Teens (for Parents) | Nemours KidsHealth
    https://kidshealth.org/en/parents/delayed-sleep-teens.html
    As they enter their teen years, many kids have trouble falling asleep at their usual bedtime. But sometimes a teen cant fall asleep or wake up at the desired times and has trouble functioning during the day. When this happens for at least 3 months, its called delayed sleep-wake phase disorder (DSWPD). Delayed sleep-wake phase disorder is one of the most common sleep problems in teens. […] The main symptom of DSWPD is having a hard time falling asleep and waking up when needed, such as for a school or work schedule. Other signs to look for are daytime sleepiness, trouble focusing or paying attention, and feeling depressed or cranky. […] Its normal to have these symptoms every so often during puberty. But because most high schools begin earlier in the morning than the natural waking time for many teens, most teens need to wake up earlier than their body clock wants to. Many teens can often catch up on sleep when needed, but those who have these symptoms for more than 3 months may have DSWPD. […] While theres no cure for DSWPD, many teens will grow out of it as they get older. By the time they reach young adulthood, their sleep-wake cycles often shift earlier.
  • #96 Extreme Night Owl Teens May Have Delayed Sleep Phase Syndrome – Promises Behavioral Health
    https://www.promises.com/addiction-blog/extreme-night-owl-teens-may-have-sleep-disorder/
    Delayed sleep phase syndrome (DSPS) is a condition characterized by a change in sleeping patterns that delays a persons habitual sleeping sessions by two or more hours a night. Teenagers develop DSPS more often than any other population group in the U.S. […] Unless its effects are corrected through appropriate treatment, the syndrome can significantly increase a teenagers chances of developing diagnosable depression, exhibiting disruptive behaviors or getting involved in drug or alcohol use. […] Common symptoms of delayed sleep phase syndrome include difficulty falling asleep at appointed times (often mistakenly interpreted as a sign of insomnia), difficulty waking up at appointed times and an excessive sleepiness that impairs daytime function. […] Roughly 7 percent to 16 percent of U.S. teenagers have delayed sleep phase syndrome. This rate is substantially higher than the rate found in adults or younger children. […] In addition to the primary symptoms of DSPS, affected teenagers commonly display symptoms such as declines in their grades, increased rates of tardiness or truancy, increased rates of disruptive or dysfunctional behavior, and increased chances of developing symptoms of major depression or some other mental health condition classified as a form of depressive illness.
  • #97 Delayed sleep–wake phase disorder and its related sleep behaviors in the young generation
    https://pmc.ncbi.nlm.nih.gov/articles/PMC10235460/
    DSWPD has been suggested to be associated with lower grades in students and frequent absenteeism, as well as lower productivity and presenteeism in the working generation. […] DSWPD has a prevalence of 0.171.51% in the general population, which is reported lower than that of DSP. In comparison, a survey of 10,220 adolescents aged 1618years in Norway found a relatively higher rate of 3.3%, while a more recent Norwegian survey of 50,054 students aged 1835years also showed a prevalence of 3.3%. These results suggest that DSWPD is possibly more prevalent in the younger generation than in the older generations. […] The higher prevalence of DSWPD in adolescents and young adults may reflect a preference for a night owl lifestyle and biological change in this generation.
  • #98 What Is Delayed Sleep Phase Syndrome? | Sleep.comBurger Menu Icon
    https://www.sleep.com/sleep-health/delayed-sleep-phase-disorder
    Attention-deficit hyperactivity disorder (ADHD). People with ADHD tend to have more problems with sleep, including DSPD. According to researchers’ writings in the journal Nature and Science of Sleep, this may be because those with ADHD can lack impulse control, making it harder for them to settle into sleep at night. It also may be because those with ADHD tend to have delays in the secretion of melatonin, a naturally occurring substance that increases as darkness approaches, helping to bring on sleep. […] School absences. One study showed that children with DSPD miss about twice as much school as children without the sleep condition. […] Experts aren’t exactly sure what causes DSPD, but they do suspect that a combination of factors — from genetics to the environment — can influence its development.
  • #99 Complete Sleep Solutions | Delayed Sleep Phase Syndrome (DSPS)
    http://completesleep.crammaze.com/Delayed_sleep_phase_syndrome_(DSPS).php
    Delayed sleep phase syndrome (DSPS) is a disorder in which a persons sleep is delayed by 2 or more hours beyond the socially acceptable or conventional bedtime. […] Symptoms of DSPS include: Inability to fall asleep at the desired time. This usually presents as insomnia complaints. It may be exacerbated by the social pressures teenagers feel to stay up late (homework, internet or cell phone use). […] Inability to wake up at the desired time and excessive daytime sleepiness. Usually this is the most common complaint because it is more readily evident to parents than the nighttime insomnia. […] Generally no other sleep problems. If uncomplicated by other sleep disorders, children and adolescents with DSPS sleep well through the night with few or no awakenings once they fall asleep. […] Depression and behavior problems. Children and adolescents with DSPS may experience depression and other psychiatric problems including behavioral problems as a result of daytime drowsiness and missing school.
  • #100 Delayed sleep–wake phase disorder and its related sleep behaviors in the young generation
    https://pmc.ncbi.nlm.nih.gov/articles/PMC10235460/
    The sleep duration of patients with DSWPD is mostly well maintained during their free days, although the sleep phases are apparently delayed. However, on weekdays, they experience difficulty falling asleep and waking up at socially desirable times, such as school or work timings, which interferes with their daily lives. Patients with DSWPD frequently experience daytime sleepiness, fatigue, headache, anorexia, and depression. […] Many studies have reported a certain relationship between DSWPD and psychological problems or decreased social functioning, although some negative observations have also been reported. Cross-sectional studies have shown higher depression and anxiety scores in patients with DSWPD, as well as lower health-related quality of life and more frequent self-harm and suicidal ideation.
  • #101 Extreme Night Owl Teens May Have Delayed Sleep Phase Syndrome – Promises Behavioral Health
    https://www.promises.com/addiction-blog/extreme-night-owl-teens-may-have-sleep-disorder/
    Delayed sleep phase syndrome (DSPS) is a condition characterized by a change in sleeping patterns that delays a persons habitual sleeping sessions by two or more hours a night. Teenagers develop DSPS more often than any other population group in the U.S. […] Unless its effects are corrected through appropriate treatment, the syndrome can significantly increase a teenagers chances of developing diagnosable depression, exhibiting disruptive behaviors or getting involved in drug or alcohol use. […] Common symptoms of delayed sleep phase syndrome include difficulty falling asleep at appointed times (often mistakenly interpreted as a sign of insomnia), difficulty waking up at appointed times and an excessive sleepiness that impairs daytime function. […] Roughly 7 percent to 16 percent of U.S. teenagers have delayed sleep phase syndrome. This rate is substantially higher than the rate found in adults or younger children. […] In addition to the primary symptoms of DSPS, affected teenagers commonly display symptoms such as declines in their grades, increased rates of tardiness or truancy, increased rates of disruptive or dysfunctional behavior, and increased chances of developing symptoms of major depression or some other mental health condition classified as a form of depressive illness.
  • #102 Delayed Sleep-Wake Phase Disorder in Teens (for Parents) | Nemours KidsHealth
    https://kidshealth.org/en/parents/delayed-sleep-teens.html
    As they enter their teen years, many kids have trouble falling asleep at their usual bedtime. But sometimes a teen cant fall asleep or wake up at the desired times and has trouble functioning during the day. When this happens for at least 3 months, its called delayed sleep-wake phase disorder (DSWPD). Delayed sleep-wake phase disorder is one of the most common sleep problems in teens. […] The main symptom of DSWPD is having a hard time falling asleep and waking up when needed, such as for a school or work schedule. Other signs to look for are daytime sleepiness, trouble focusing or paying attention, and feeling depressed or cranky. […] Its normal to have these symptoms every so often during puberty. But because most high schools begin earlier in the morning than the natural waking time for many teens, most teens need to wake up earlier than their body clock wants to. Many teens can often catch up on sleep when needed, but those who have these symptoms for more than 3 months may have DSWPD. […] While theres no cure for DSWPD, many teens will grow out of it as they get older. By the time they reach young adulthood, their sleep-wake cycles often shift earlier.
  • #103 Delayed sleep–wake phase disorder and its related sleep behaviors in the young generation
    https://pmc.ncbi.nlm.nih.gov/articles/PMC10235460/
    DSWPD has been suggested to be associated with lower grades in students and frequent absenteeism, as well as lower productivity and presenteeism in the working generation. […] DSWPD has a prevalence of 0.171.51% in the general population, which is reported lower than that of DSP. In comparison, a survey of 10,220 adolescents aged 1618years in Norway found a relatively higher rate of 3.3%, while a more recent Norwegian survey of 50,054 students aged 1835years also showed a prevalence of 3.3%. These results suggest that DSWPD is possibly more prevalent in the younger generation than in the older generations. […] The higher prevalence of DSWPD in adolescents and young adults may reflect a preference for a night owl lifestyle and biological change in this generation.
  • #104 How to Identify and Treat Delayed Sleep Phase Syndrome – eachnight
    https://eachnight.com/sleep/delayed-sleep-phase-syndrome/
    A lack of a good sleep schedule can lead to depression. […] In its most severe form, Delayed Sleep Phase Syndrome is a disability. It can lead to a loss of a job due to its most severe symptoms. […] Delayed Sleep Phase is most common in teens or young adults. They often grow out of it, especially once their body is finished going through puberty. Statistically, 7 to 16 percent of teens have Delayed Sleep Phase Syndrome. This is compared to .17 percent, or 1 in 600, adults who have it. […] The best thing to do is to seek treatment for Delayed Sleep Phase Syndrome. You should also make sure your employer and/or school is aware that you have it. […] Insomnia is the habitual lack of sleep. This means that a person with insomnia does not sleep much, if at all. Delayed Sleep Phase Syndrome allows for sleep to occur, but it happens much later than what is considered normal. A person who has Delayed Sleep Phase Syndrome can still get the recommended amount of sleep. Its just that they need to do so at a different time than most other people.
  • #105 DSPD Q&A – Circadian Sleep Disorders Network
    https://www.circadiansleepdisorders.org/docs/DSPS-QandA.php
    A sleep specialist will generally discuss a patient’s history and complaints. If a circadian rhythm disorder is suspected, the doctor will require a log of when the patient sleeps and wakes. […] Sleep doctors attempt to treat DSPD by prescribing bright light in the morning, restricting light exposure in the evening, and/or prescribing the hormone melatonin in the evening, in an attempt to shift the body’s circadian rhythm. […] For those for whom treatment is ineffective, DSPD can make it impossible to maintain a 9 am to 5 pm work schedule. Most jobs require hours such as these. For those who have such jobs, as well as students who are required to attend morning classes, if treatment fails, DSPD is a disability. […] DSPD does not affect intelligence. But study, concentration, memory, and attention span are affected by sleepiness. Adjustments in study habits may be necessary.
  • #106 Delayed Sleep Phase | Symptoms & Causes | Freedmans Health
    https://freedmanshealth.org/disease-conditions/symptoms-causes/delayed-sleep-phase/
    Delayed sleep phase syndrome (DSPS) is a condition that affects your ability to fall asleep and wake up on time. The delay in your sleep schedule is off by at least two hours. This condition affects your internal clock. […] Most people with DSPS describe themselves as a night owl or an evening person, but theyre not. If you have DSPS, youre not able to regulate when your body tells you to fall asleep. […] Delayed sleep phase syndrome is a type of sleep disorder called a circadian rhythm sleep disorder. Your circadian rhythm is a 24-hour cycle that helps you stay awake during the day and fall asleep at night. This cycle regulates how certain parts of your body function, like your body temperature and digestion. […] There are two types of delayed sleep phase syndrome characterized by when the sleep hormone (melatonin) signals your circadian rhythm. This signal (onset) tells your internal clock that its time to go to sleep: […] Circadian aligned: The melatonin onset is less than two hours before you fall asleep. […] Circadian misaligned: The melatonin onset is more than two hours before you fall asleep or it doesnt happen until after sleep begins.
  • #107 Everything You Should Know About Delayed Sleep Phase Syndrome – CNET
    https://www.cnet.com/health/sleep/delayed-sleep-phase-syndrome/
    The impact of DSPS can expand beyond the typical grogginess symptoms: It can directly affect career advancement, medical appointments, schooling, parenting and more. […] For people with delayed sleep phase syndrome, SSRI medications aren’t always the answer. […] For people with delayed sleep, the main types of treatment that work best are cognitive behavior therapy, light therapy and melatonin. […] While the teenage years are when researchers see the greatest effects of delayed sleep, Figueiro explains that it is also associated with high risk for mental health issues, sleep deprivation, obesity, and other negative side effects. […] Delayed sleep phase syndrome can be frustrating for people trying to work a 9-to-5 schedule. […] If people with DSPS had a flexible schedule where they can work until 3 o’clock in the morning and then wake up at 11, then there’s no problem for them. […] „It’s not as rare a disorder as people think. There’s still about 1 in 600 people that have the disorder and that’s half a million Americans; that’s three times as many people that have narcolepsy, even though a lot more people have heard of narcolepsy.”
  • #108 Delayed sleep phase syndrome symptoms, treatments & forums | PatientsLikeMe
    https://www.patientslikeme.com/conditions/delayed-sleep-phase-syndrome
    Delayed sleep phase syndrome is a circadian rhythm sleep disorder, a chronic disorder of the timing of sleep, peak period of alertness, the core body temperature rhythm, hormonal and other daily rhythms, compared to the normal population and relative to societal requirements. […] Common symptom: Unrefreshing or poor sleep. […] 20 delayed sleep phase syndrome patients report severe unrefreshing or poor sleep (44%). […] 16 delayed sleep phase syndrome patients report moderate unrefreshing or poor sleep (35%). […] 5 delayed sleep phase syndrome patients report mild unrefreshing or poor sleep (11%). […] 4 delayed sleep phase syndrome patients report no unrefreshing or poor sleep (8%). […] Common symptom: Fatigue. […] 62 delayed sleep phase syndrome patients report severe fatigue (41%).
  • #109 Delayed sleep phase syndrome symptoms, treatments & forums | PatientsLikeMe
    https://www.patientslikeme.com/conditions/delayed-sleep-phase-syndrome
    Delayed sleep phase syndrome is a circadian rhythm sleep disorder, a chronic disorder of the timing of sleep, peak period of alertness, the core body temperature rhythm, hormonal and other daily rhythms, compared to the normal population and relative to societal requirements. […] Common symptom: Unrefreshing or poor sleep. […] 20 delayed sleep phase syndrome patients report severe unrefreshing or poor sleep (44%). […] 16 delayed sleep phase syndrome patients report moderate unrefreshing or poor sleep (35%). […] 5 delayed sleep phase syndrome patients report mild unrefreshing or poor sleep (11%). […] 4 delayed sleep phase syndrome patients report no unrefreshing or poor sleep (8%). […] Common symptom: Fatigue. […] 62 delayed sleep phase syndrome patients report severe fatigue (41%).
  • #110 Delayed sleep phase syndrome symptoms, treatments & forums | PatientsLikeMe
    https://www.patientslikeme.com/conditions/delayed-sleep-phase-syndrome
    55 delayed sleep phase syndrome patients report moderate fatigue (36%). […] 24 delayed sleep phase syndrome patients report mild fatigue (16%). […] 9 delayed sleep phase syndrome patients report no fatigue (6%). […] Common symptom: Stress. […] 16 delayed sleep phase syndrome patients report severe stress (34%). […] 18 delayed sleep phase syndrome patients report moderate stress (38%). […] 12 delayed sleep phase syndrome patients report mild stress (25%). […] 1 a delayed sleep phase syndrome patient reports no stress (2%). […] Common symptom: Morning nausea. […] 1 a delayed sleep phase syndrome patient reports severe morning nausea (33%). […] 0 delayed sleep phase syndrome patients report moderate morning nausea (0%). […] 0 delayed sleep phase syndrome patients report mild morning nausea (0%).
  • #111 How to treat Delayed Sleep Phase Syndrome — Sleep Cycle
    https://www.sleepcycle.com/sleep-disorders/identifying-and-treating-delayed-sleep-phase-disorder/
    People suffering from DSPS are also affected by the symptoms above for at least seven days. […] While anyone can develop DSPS, certain individuals are more at risk than others: Adolescents and young adults: They are at increased risk for developing DSPS due to the natural changes in their sleep patterns which occur during puberty. […] Certain medical conditions, such as depression and anxiety, can increase the risk of developing DSPS. […] Studies indicate that 50% of DSPS sufferers also experience depression, so ensuring the right problem is identified is a vital first step in any treatment. […] If you think you may have DSPS, we recommend contacting a healthcare professional. […] This treatment requires a lot of discipline and adherence to a strict schedule, but it can be effective for people with severe DSPS. […] People with DSPS may feel isolated from society as the disorder can significantly impact their lifestyle, leading to anxiety about their late sleep schedule. […] While there are various helpful tips for achieving quality sleep, it is essential to take DSPS and any sleep disorder seriously.
  • #112 Delayed sleep–wake phase disorder and its related sleep behaviors in the young generation
    https://pmc.ncbi.nlm.nih.gov/articles/PMC10235460/
    DSWPD has been suggested to be associated with lower grades in students and frequent absenteeism, as well as lower productivity and presenteeism in the working generation. […] DSWPD has a prevalence of 0.171.51% in the general population, which is reported lower than that of DSP. In comparison, a survey of 10,220 adolescents aged 1618years in Norway found a relatively higher rate of 3.3%, while a more recent Norwegian survey of 50,054 students aged 1835years also showed a prevalence of 3.3%. These results suggest that DSWPD is possibly more prevalent in the younger generation than in the older generations. […] The higher prevalence of DSWPD in adolescents and young adults may reflect a preference for a night owl lifestyle and biological change in this generation.
  • #113 Everything You Should Know About Delayed Sleep Phase Syndrome – CNET
    https://www.cnet.com/health/sleep/delayed-sleep-phase-syndrome/
    The impact of DSPS can expand beyond the typical grogginess symptoms: It can directly affect career advancement, medical appointments, schooling, parenting and more. […] For people with delayed sleep phase syndrome, SSRI medications aren’t always the answer. […] For people with delayed sleep, the main types of treatment that work best are cognitive behavior therapy, light therapy and melatonin. […] While the teenage years are when researchers see the greatest effects of delayed sleep, Figueiro explains that it is also associated with high risk for mental health issues, sleep deprivation, obesity, and other negative side effects. […] Delayed sleep phase syndrome can be frustrating for people trying to work a 9-to-5 schedule. […] If people with DSPS had a flexible schedule where they can work until 3 o’clock in the morning and then wake up at 11, then there’s no problem for them. […] „It’s not as rare a disorder as people think. There’s still about 1 in 600 people that have the disorder and that’s half a million Americans; that’s three times as many people that have narcolepsy, even though a lot more people have heard of narcolepsy.”
  • #114
    https://www.aurorahealthcare.org/services/sleep-disorders/delayed-sleep-phase-syndrome
    Diagnosing delayed sleep phase syndrome typically involves a comprehensive evaluation of your sleep history and patterns. Your sleep specialist may recommend one or a combination of the following methods to diagnose delayed sleep phase disorder: Keeping a sleep diary, where you record your sleep and wake times over several weeks, can be helpful for your doctor to diagnose delayed sleep phase syndrome or other sleep disorders. […] Treatment for circadian rhythm disorder focuses on realigning your circadian rhythm to a more conventional schedule. Treatments may include: Light therapy, Chronotherapy, Melatonin, Behavioral interventions.
  • #115 Delayed sleep phase – Diagnosis and treatment – Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/delayed-sleep-phase/diagnosis-treatment/drc-20353341
    To diagnose delayed sleep phase, also known as delayed sleep-wake phase disorder, a health care professional reviews your family and medical history. You may need several tests to diagnose delayed sleep phase or any related conditions, such as: […] A health care professional works with you to create a treatment plan that can help adjust your sleep and wake times. Your plan may include: […] Melatonin is a hormone that plays a role in the sleep-wake cycle. You may be prescribed a melatonin supplement to take in the early evening. This can help adjust your circadian rhythm to go to sleep earlier. […] Light exposure using a light box in the morning may adjust your circadian rhythm. […] For some people, health care professionals prescribe a sleep schedule that delays bedtime by 1 to 2.5 hours every six days. This is done until the desired bedtime is reached. You need to maintain your sleep schedule once it is established.
  • #116 Delayed Sleep-Wake Phase – Sleep Education by the AASM
    https://sleepeducation.org/sleep-disorders/delayed-sleep-wake-phase/
    Strategically timed low dose melatonin use has been shown to be an effective treatment option in teens, and it may be somewhat effective in adults. Melatonin is a hormone that is widely available in supplement form. The hormone is naturally produced by your body and plays an important role in sleep. It helps regulate your sleep-wake cycle by signaling to your body when the time for sleep is approaching.
  • #117 Delayed sleep phase – Diagnosis and treatment – Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/delayed-sleep-phase/diagnosis-treatment/drc-20353341
    To diagnose delayed sleep phase, also known as delayed sleep-wake phase disorder, a health care professional reviews your family and medical history. You may need several tests to diagnose delayed sleep phase or any related conditions, such as: […] A health care professional works with you to create a treatment plan that can help adjust your sleep and wake times. Your plan may include: […] Melatonin is a hormone that plays a role in the sleep-wake cycle. You may be prescribed a melatonin supplement to take in the early evening. This can help adjust your circadian rhythm to go to sleep earlier. […] Light exposure using a light box in the morning may adjust your circadian rhythm. […] For some people, health care professionals prescribe a sleep schedule that delays bedtime by 1 to 2.5 hours every six days. This is done until the desired bedtime is reached. You need to maintain your sleep schedule once it is established.
  • #118 Delayed Sleep Phase Syndrome: Causes & Treatment | Sleep Reset
    https://www.thesleepreset.com/learn/delayed-sleep-phase-syndrome
    Good quality sleep contributes to both our physical and mental health. […] Its essential to get enough sleep so you are able to function normally in your daily life and so that you dont increase your risk for adverse health effects. […] Delayed sleep-wake phase disorder is typically diagnosed by telling a doctor your symptoms. […] Keeping a sleep journal of your sleep habits can also help determine the nature of your sleep disorder. […] As with many sleep disorders, delayed sleep-wake phase disorder is very treatable. […] Often, it can be treated by making lifestyle changes to promote better sleep. […] Good sleep hygiene involves creating a comfortable sleep environment and forming healthy sleep habits. […] Good sleep hygiene can help those with delayed sleep-wake phase syndrome maintain a normal sleep schedule and fall asleep at the right time. […] Once a sleep schedule is determined, its important to stick to it as strictly as possible. […] Light therapy is a method that some people find helpful when dealing with delayed sleep-wake phase disorder.
  • #119 Azthena logo with the word Azthena
    https://www.news-medical.net/health/Delayed-Sleep-Phase-Disorder-(DSPD)-Management.aspx
    Delayed sleep phase disorder (DSPD) is a circadian rhythm sleep disorder that is characterized by a sleep-wake cycle that is later than what is considered to be normal. […] They are unable to fall asleep earlier but are required to wake up earlier, resulting in restriction of sleep and possible symptoms of sleep deprivation. These may include daytime sleepiness and decreased performance in studies or at work. […] When an appropriate sleep schedule has been reached, it is important for the individual to maintain the new habit, as the delayed phase can remit and cause them to fall back into the original pattern. […] Finally, there are some pharmacological options that may help to aid sleep in patients with severe symptoms.
  • #120 Delayed sleep phase disorder – Wikipedia
    https://en.wikipedia.org/wiki/Delayed_sleep_phase_disorder
    DSPD is a disorder of the body’s timing system—the biological clock. Individuals with DSPD might have an unusually long circadian cycle, might have a reduced response to the resetting effect of daylight on the body clock, and/or may respond overly to the delaying effects of evening light and too little to the advancing effect of light earlier in the day. […] The syndrome usually develops in early childhood or adolescence. An adolescent version may disappear in late adolescence or early adulthood; otherwise, DSPD is a lifelong condition. […] A chief difficulty of treating DSPD is in maintaining an earlier schedule after it has been established, as the patient’s body has a strong tendency to reset the sleeping schedule to its intrinsic late times. […] Long-term success rates of treatment have seldom been evaluated. However, experienced clinicians acknowledge that DSPD is extremely difficult to treat.
  • #121 Delayed sleep-wake phase disorder – Nesbitt – Journal of Thoracic Disease
    https://jtd.amegroups.org/article/view/18434/html
    Numerous factors are likely to contribute to the pathophysiology of DSWPS, including behavioural and psychological, as well as biological factors. […] The importance of evening artificial light exposure as a phase delaying mechanism cannot be underestimated. […] It has also been postulated that the intrinsic circadian period (or tau) of patients with DSWPD, which are determined by the temporal course of the molecular feedback loops within neurons of the suprachiasmatic nucleus, may be modestly longer than that of normal chronotypes. […] A further mechanism contributing to the development of DSWPD is likely to be intrinsic differences in sleep homeostasis in individuals who develop the disorder. […] Relapses in treatment and decompensation are common, and patients should be counselled for this eventuality, and encouraged to follow their original treatment plans should this occur.
  • #122 Delayed Sleep Phase Syndrome: Signs, ADHD Link, TreatmentsFooterLogo
    https://www.additudemag.com/delayed-sleep-phase-syndrome-signs-treatments-adhd/?srsltid=AfmBOoqLIkkufYycGdNiedLjHqQ4JQvrrty5xaNWOMt4_o1N2mGXWUVN
    Accurate identification of DSPS – a treatable condition – is essential, as conventional approaches to manage sleep problems are often inadequate or ineffective for this sleep disorder. […] Individuals experiencing insomnia will report trouble initiating sleep, while those with DSPS will have trouble initiating sleep at conventional, socially normal times. […] Standard interventions for sleep difficulties (like those recommended for insomnia), such as sleep hygiene, sleep restriction, and stimulus control strategies, as well as sedative medication, are unlikely to be effective for individuals with DSPS. […] Talk to your doctor about taking melatonin to manage DSPS, as carefully timed melatonin administration can aid in shifting circadian rhythm.
  • #123 Delayed sleep phase syndrome – wikidoc
    https://www.wikidoc.org/index.php/Delayed_sleep_phase_syndrome
    By the time DSPS patients seek medical help, they usually have tried many times to change their sleeping schedule. […] The current formal name established in the second edition of the International Classification of Sleep Disorders is circadian rhythm sleep disorder, delayed sleep phase type; the preferred common name is delayed sleep-phase disorder. […] Long-term success rates of treatment have not been evaluated. However, experienced clinicians acknowledge that DSPS is extremely difficult to treat. […] Some people with the disorder are unable to adapt to earlier sleeping times, even after many years of treatment.
  • #124 How to treat Delayed Sleep Phase Syndrome — Sleep Cycle
    https://www.sleepcycle.com/sleep-disorders/identifying-and-treating-delayed-sleep-phase-disorder/
    People suffering from DSPS are also affected by the symptoms above for at least seven days. […] While anyone can develop DSPS, certain individuals are more at risk than others: Adolescents and young adults: They are at increased risk for developing DSPS due to the natural changes in their sleep patterns which occur during puberty. […] Certain medical conditions, such as depression and anxiety, can increase the risk of developing DSPS. […] Studies indicate that 50% of DSPS sufferers also experience depression, so ensuring the right problem is identified is a vital first step in any treatment. […] If you think you may have DSPS, we recommend contacting a healthcare professional. […] This treatment requires a lot of discipline and adherence to a strict schedule, but it can be effective for people with severe DSPS. […] People with DSPS may feel isolated from society as the disorder can significantly impact their lifestyle, leading to anxiety about their late sleep schedule. […] While there are various helpful tips for achieving quality sleep, it is essential to take DSPS and any sleep disorder seriously.
  • #125 Delayed Sleep Phase Disorder (DSPD): Symptoms and Treatment – Mindtalk
    https://www.mindtalk.in/blogs/understanding-delayed-sleep-phase-disorder-dsps
    Delays in the sleep phase can cause chronic sleep deprivation, affecting a person mentally. […] The main cause of delayed sleep phase disorder is a disrupted circadian rhythm. […] According to the Cleveland Clinics article 'Delayed Sleep Phase Syndrome, various studies suggest that genetics may play a role in delayed sleep phase disorder, which tends to run in families. […] Hormonal imbalances make it hard to reset the body’s sleeping cycle. […] Another cause is adolescence, particularly during teenage. […] If your sleep pattern substantially affects your daily life, for instance, causing difficulty maintaining work or school schedules, chronic fatigue, or mental health concerns, the time has come to seek a doctor’s visit. […] Many treatments are available to reset one’s circadian rhythm, which in turn helps reduce the symptoms of DSPD. […] One of the most potent treatments for DSPD is light therapy. […] Doctors prescribe some medications or recommend supplementing with melatonin in other cases to help adjust the sleep cycle.
  • #126 Everything You Should Know About Delayed Sleep Phase Syndrome – CNET
    https://www.cnet.com/health/sleep/delayed-sleep-phase-syndrome/
    The impact of DSPS can expand beyond the typical grogginess symptoms: It can directly affect career advancement, medical appointments, schooling, parenting and more. […] For people with delayed sleep phase syndrome, SSRI medications aren’t always the answer. […] For people with delayed sleep, the main types of treatment that work best are cognitive behavior therapy, light therapy and melatonin. […] While the teenage years are when researchers see the greatest effects of delayed sleep, Figueiro explains that it is also associated with high risk for mental health issues, sleep deprivation, obesity, and other negative side effects. […] Delayed sleep phase syndrome can be frustrating for people trying to work a 9-to-5 schedule. […] If people with DSPS had a flexible schedule where they can work until 3 o’clock in the morning and then wake up at 11, then there’s no problem for them. […] „It’s not as rare a disorder as people think. There’s still about 1 in 600 people that have the disorder and that’s half a million Americans; that’s three times as many people that have narcolepsy, even though a lot more people have heard of narcolepsy.”
  • #127 Delayed Sleep Phase Type – PsychDB
    https://www.psychdb.com/sleep/5-circadian-rhythm-sleep-wake-disorders/delayed
    Circadian Rhythm Sleep-Wake Disorder, Delayed Sleep Phase Type (also known as Delayed Sleep Phase Syndrome [DSPS]) is a circadian rhythm sleep-wake disorder characterized by a delay in the timing of the major sleep period (usually more than 2 hours) in relation to the desired sleep and wake-up time, resulting in symptoms of insomnia and excessive sleepiness. […] The sleep disruption leads to excessive sleepiness or insomnia, or both. […] A pattern of delayed sleep onset and awakening times, with an inability to fall asleep and awaken at a desired or conventionally acceptable earlier time. […] Symptoms last at least 1 month but less than 3 months. […] Symptoms last 3 months or longer. […] 2 or more episodes occur within the space of 1 year.
  • #128 Delayed Sleep-Wake Phase – Sleep Education by the AASM
    https://sleepeducation.org/sleep-disorders/delayed-sleep-wake-phase/
    Delayed sleep-wake phase disorder (DSP) is a circadian rhythm disorder. It consists of a typical sleep pattern that is “delayed” by two or more hours from societal norms. This delay occurs when your internal sleep clock (circadian rhythm) is shifted later at night and later in the morning. Once sleep occurs, the sleep is generally normal. But the delay leads to a pattern of sleep that is later than what is desired or considered socially acceptable. This pattern can be a problem when it interferes with work or social demands. […] One sign of DSP is difficulty falling asleep until late at night. Another sign is having a hard time getting out of bed in the morning for work or school. These signs can make DSP look like insomnia. Also, like insomnia, DSP can impair your alertness and performance during the day. It can lead to excessive sleepiness and fatigue.
  • #129 Delayed sleep phase – Symptoms and causes – Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/delayed-sleep-phase/symptoms-causes/syc-20353340
    Delayed sleep phase is a sleep disorder that affects the internal clock, known as circadian rhythm. People with this sleep disorder have sleep patterns that are delayed two hours or more from usual sleep patterns. They go to sleep later and wake later. This makes it hard to wake in time for work or school. Delayed sleep phase also is known as delayed sleep-wake phase disorder. […] People with delayed sleep phase fall asleep and wake later than they want and later than usual sleep and wake times. Sleep and wake times are delayed at least two hours and may be delayed up to 3 to 6 hours. People with delayed sleep phase may regularly go to sleep at 3 a.m. and wake at 10 a.m., for example. […] Symptoms are persistent. They last at least three months and often for years. Symptoms may include: Not being able to fall asleep at a typical bedtime, known as insomnia. Trouble waking up in the morning in time to go to work or school. Extreme daytime drowsiness. Trouble staying alert during the day.
  • #130 What is Delayed Sleep Phase Syndrome | The Symptoms of DSPS
    https://www.tmjandsleep.com.au/articles/delayed-sleep-phase-syndrome/
    Delayed Sleep-Wake Phase Syndrome (DSPS) is a form of disorder in a persons circadian rhythm. With DSPS, the circadian rhythm is delayed for two hours or more than what is considered acceptable or a normal bedtime schedule. This disorder can be a problem if it interferes with the persons social and work demands. […] People with DSPS find it difficult to sleep at night, thus they prefer late bedtimes. Consequently, they wake up later too. […] Since the disorder affects the circadian rhythm of the body, the most common sign is the inability to fall asleep at the time that is socially considered normal. Obviously, this also makes waking up early in the morning difficult, if not impossible. Other signs of this disorder include: Difficulty falling asleep at desired time, Difficulty waking up in the morning, Normal quality and duration of sleep when there is no need to sleep or wake up at a certain period of time, Consistently delayed sleep-wake pattern for at least seven days.
  • #131 Delayed Sleep Phase Syndrome | Stanford Health Care
    https://stanfordhealthcare.org/medical-conditions/sleep/delayed-sleep-phase-syndrome.html
    Delayed sleep phase syndrome (DSPS) is a disorder in which a persons sleep is delayed by two hours or more beyond what is considered an acceptable or conventional bedtime. The delayed sleep then causes difficulty in being able to wake up at the desired time. […] People with delayed sleep phase syndrome generally have difficulty: […] Waking up at a „normal” time in the morning, because their internal clock is not yet producing strong alerting signals. […] You may have DSPS if the sleep disorder is also causing impairment in social, occupational or other areas of your life. […] DSPS may develop in early childhood but most commonly it emerges or worsens during adolescence.
  • #132 Delayed sleep-wake phase disorder – Nesbitt – Journal of Thoracic Disease
    https://jtd.amegroups.org/article/view/18434/html
    The disorder is felt to be most prevalent in teenagers. […] However, over half of the respondents meeting the diagnostic criteria for DSWPD also met those for used in this study for insomnia. […] Many patients with DSWPD will have co-existent mental health concerns. Indeed, one small series of patients with DSWPD or extreme evening chronotype found as many as 70% to have a diagnosable axis 1 psychiatric disorder. […] Affective disorders can manifest with a wide variety of sleep disturbances, and it can be difficult to tease apart and characterise these. […] Of interest, it would seem that patients with true circadian DSWPD (delayed timing of melatonin secretion) are more prone to depression than those with non-circadian DSWPD. […] Patients with ASD have a high incidence of sleep disorders, including circadian rhythm sleep wake disorders, of which DSWPD is the most common phenotype.
  • #133 Delayed sleep phase – Diagnosis and treatment – Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/delayed-sleep-phase/diagnosis-treatment/drc-20353341
    To diagnose delayed sleep phase, also known as delayed sleep-wake phase disorder, a health care professional reviews your family and medical history. You may need several tests to diagnose delayed sleep phase or any related conditions, such as: […] A health care professional works with you to create a treatment plan that can help adjust your sleep and wake times. Your plan may include: […] Melatonin is a hormone that plays a role in the sleep-wake cycle. You may be prescribed a melatonin supplement to take in the early evening. This can help adjust your circadian rhythm to go to sleep earlier. […] Light exposure using a light box in the morning may adjust your circadian rhythm. […] For some people, health care professionals prescribe a sleep schedule that delays bedtime by 1 to 2.5 hours every six days. This is done until the desired bedtime is reached. You need to maintain your sleep schedule once it is established.
  • #134 Delayed Sleep-Wake Phase – Sleep Education by the AASM
    https://sleepeducation.org/sleep-disorders/delayed-sleep-wake-phase/
    Symptoms of DSP include: A delayed sleep pattern in relation to desired sleep and wake times, Trouble falling asleep at the desired bedtime, Inability to wake up in the morning, Normal duration and quality of sleep when there is no need to go to sleep or wake up at a specific time, A stable but delayed sleep pattern for at least seven days. […] The exact rate of DSP is unknown in the general population. It is much more common in teens and young adults. About 7% to 16% of teens and young adults may have DSP. DSP is likely to be found in 10% of people with a complaint of insomnia. People who tend to be “evening types” or “night owls” are likely to develop DSP. […] A sleep diary is a way to track your sleep pattern. You record the time you get into bed, the time required to fall asleep, and the time you wake up in the morning. If you have DSP, your sleep diary will likely show a regular pattern of difficulty falling to sleep, few or no awakenings once asleep, and a sleep duration that is reduced during the work week and lengthy on the weekend.
  • #135 Delayed Sleep-Wake Phase – Sleep Education by the AASM
    https://sleepeducation.org/sleep-disorders/delayed-sleep-wake-phase/
    Symptoms of DSP include: A delayed sleep pattern in relation to desired sleep and wake times, Trouble falling asleep at the desired bedtime, Inability to wake up in the morning, Normal duration and quality of sleep when there is no need to go to sleep or wake up at a specific time, A stable but delayed sleep pattern for at least seven days. […] The exact rate of DSP is unknown in the general population. It is much more common in teens and young adults. About 7% to 16% of teens and young adults may have DSP. DSP is likely to be found in 10% of people with a complaint of insomnia. People who tend to be “evening types” or “night owls” are likely to develop DSP. […] A sleep diary is a way to track your sleep pattern. You record the time you get into bed, the time required to fall asleep, and the time you wake up in the morning. If you have DSP, your sleep diary will likely show a regular pattern of difficulty falling to sleep, few or no awakenings once asleep, and a sleep duration that is reduced during the work week and lengthy on the weekend.
  • #136 Ask the Doctor: Delayed Sleep Phase Syndrome or Idiopathic Hypersomnia? – Hypersomnia Foundation
    https://www.hypersomniafoundation.org/ask-the-doctor-delayed-sleep-phase-syndrome-or-ih/
    The diagnosis of delayed sleep phase syndrome, also called delayed sleep-wake phase disorder (DSWPD), is based on a history of a consistent (for 3 months or more) delay in the timing of the sleep episode at night, with the complaint of an inability to fall asleep or wake up at conventional times. The person will typically fall asleep very late in the night (around 1 to 6 AM) and, if there is no social or professional obligation to wake up at a certain time, will only wake up in the late morning or afternoon. The person with DSWPD will often complain of daytime sleepiness because of the need to wake up well before the time of spontaneous awakening, resulting in an insufficient amount of sleep. […] It is indeed important to rule out a DSWPD before confirming a diagnosis of IH. Usually the history will be very different as people with IH do not typically demonstrate delayed bedtimes, and will not wake up refreshed even when given the opportunity to sleep as much as they want, in contrast to DSWPD. A sleep diary (with actigraphy, if available) can be useful to differentiate the 2 conditions.
  • #137
    https://link.springer.com/article/10.1007/s41105-018-0188-0
    The data suggest a high prevalence of probable ADHD in DSPD patients and increased prevalence of DSPD and other sleep disorders in patients with probable ADHD. […] Probable ADHD was reported by 47.6% of the DSPD patients and by 26.9% of the non-DSPD patients (p=0.059). […] The DSPD group showed significant higher total ADHD-RS scores (p=0.011). […] In the probable ADHD group more patients were designated as DSPD (28%) compared to the non-ADHD group (13.6% [χ2=10.402, p=0.001]). […] Also 20 min later, DLMO (22:46 h) was found (p=0.017) and more positive HSDQ scores on insomnia, parasomnia, hypersomnia, and sleep-related breathing disorders were reported in the probable ADHD group than in the non-probable ADHD group (χ2 resp. 16.07; p0.001, 9.245; p=0.002, 19.391; p=0.00 and 5.865; p=0.059).
  • #138 What Is Delayed Sleep Phase Syndrome? | Sleep.comBurger Menu Icon
    https://www.sleep.com/sleep-health/delayed-sleep-phase-disorder
    Nearly 50% of people with DSPD have a relative with the condition, according to research published in Chronobiology International. […] Light exposure, particularly to blue light: Scientists know that exposure to blue light — like the kind emitted from computers, TVs, and smartphones — can suppress melatonin production. “And that can interfere with the circadian rhythm and contribute to the development or exacerbation of DSPD in some individuals,” says Singh. […] If your health care provider suspects a circadian rhythm disorder like DSPD, they’ll most likely have you wear a sleep tracker or maintain a sleep log, tracking when you’re asleep and when you’re awake. They may even suggest a sleep study to rule out other possible causes of your sleep issues, such as sleep apnea. […] The good news: Many cases of DSPD are resolved by the time a person reaches their 20s. And in the meantime, there are effective treatments to try, sometimes in combination.
  • #139 What Is Delayed Sleep Phase Syndrome? – Sleep Care Online
    https://www.sleepcareonline.com/articles/what-is-delayed-sleep-phase-syndrome/?srsltid=AfmBOopWQnG7WvM_VqtUTu7US_HIlZgHVUVHCyiAgyKptb20L4_V64gQ
    One common sleep disorder is delayed sleep phase syndrome (DSPS). This condition prevents people from falling asleep at their normal bedtime. Delayed sleep means less time in restorative deep sleep, which can leave a person drowsy in the morning. […] Symptoms include: Inability to go to sleep right away, Difficulty waking in the morning, Daytime drowsiness, Difficulty with concentration and alertness. […] DSPS is most common among teenagers and young adults. About 5-10 percent of people with ongoing insomnia also show signs of DSPS. […] Someone with DSPS may be less productive during the day due to a lack of restorative sleep. They can be less alert and experience drowsiness, even though they have slept. They just haven’t slept enough. […] Disrupted breathing during the early stages of sleep may be a sign of sleep apnea. DSPS may be a result of a less severe OSA that disrupts breathing only while falling asleep.
  • #140
    https://www.advocatehealth.com/health-services/sleep-medicine/delayed-sleep-phase-syndrome
    Individuals with ADHD often exhibit symptoms of delayed sleep phase syndrome, such as difficulty falling asleep at conventional bedtimes and excessive daytime sleepiness. […] Common symptoms include: Inability to fall asleep at a conventional bedtime, Staying up late and sleeping in, Difficulty waking up in the morning, Daytime drowsiness and fatigue, Increased alertness in the evening. […] Chronic sleep deprivation resulting from delayed sleep phase syndrome can also contribute to more serious health issues, such as cardiovascular disease. Early detection and treatment are crucial for preventing these risks.
  • #141 What Is Delayed Sleep Phase Disorder? – Jacksonville Sleep Center
    https://jaxsleepcenter.com/delayed-sleep-phase-disorder/
    The severe sleep deprivation that can result from DSPD can lead to long-term health effects. These include impaired immune system, depression, anxiety disorders, weight gain, diabetes and fibromyalgia. Seeking treatment from a sleep doctor in Jacksonville is important to avoid the negative effects of this disorder. There is no permanent cure for delayed sleep phase disorder, but there are ways to manage it.
  • #142 Delayed Sleep Phase Disorder (DSPD): Symptoms and Treatment – Mindtalk
    https://www.mindtalk.in/blogs/understanding-delayed-sleep-phase-disorder-dsps
    Delays in the sleep phase can cause chronic sleep deprivation, affecting a person mentally. […] The main cause of delayed sleep phase disorder is a disrupted circadian rhythm. […] According to the Cleveland Clinics article 'Delayed Sleep Phase Syndrome, various studies suggest that genetics may play a role in delayed sleep phase disorder, which tends to run in families. […] Hormonal imbalances make it hard to reset the body’s sleeping cycle. […] Another cause is adolescence, particularly during teenage. […] If your sleep pattern substantially affects your daily life, for instance, causing difficulty maintaining work or school schedules, chronic fatigue, or mental health concerns, the time has come to seek a doctor’s visit. […] Many treatments are available to reset one’s circadian rhythm, which in turn helps reduce the symptoms of DSPD. […] One of the most potent treatments for DSPD is light therapy. […] Doctors prescribe some medications or recommend supplementing with melatonin in other cases to help adjust the sleep cycle.
  • #143 Reddit – The heart of the internet
    https://www.reddit.com/r/DSPD/comments/13j91f4/my_struggle_with_delayed_sleep_phase_disorder/
    I’m writing this post today to reach out to anyone who can relate or provide some guidance regarding Delayed Sleep Phase Disorder (DSPD). […] I have a consistent difficulty falling asleep at a reasonable bedtime, no matter how exhausted I feel. It’s as if my body refuses to shut down until the late hours of the night. Consequently, waking up in the morning becomes an agonizing struggle, leaving me feeling groggy even after what seems like a long sleep. […] The excessive daytime sleepiness has taken a toll on my work and ability to focus on tasks throughout the day. I’ve noticed that I tend to feel more alert and awake during the late evening or nighttime, which only exacerbates the issue. This misalignment between my sleep-wake cycle and the societal norm has made it challenging to maintain a consistent routine, leading to feelings of frustration and isolation.
  • #144 Delayed Sleep Phase Syndrome: Signs, ADHD Link, TreatmentsFooterLogo
    https://www.additudemag.com/delayed-sleep-phase-syndrome-signs-treatments-adhd/?srsltid=AfmBOoqLIkkufYycGdNiedLjHqQ4JQvrrty5xaNWOMt4_o1N2mGXWUVN
    Delayed sleep phase syndrome is a sleep disorder that disrupts one’s ability to sleep and wake at conventional times. DSPS is commonly seen with ADHD. […] DSPS is frequently misdiagnosed or overlooked in individuals with ADHD, leading to ineffective treatments and continued sleep disturbances. […] Proper treatment of DSPS comprises specialized approaches like light therapy and melatonin supplementation, which aim to regulate the internal body clock and improve sleep quality. […] DSPS is characterized by significant difficulty falling asleep and waking up at socially conventional times. […] Individuals with DSPS will go to bed at socially conventional times, only to lie awake in the dark for hours, waiting to fall asleep. […] When DSPS goes unrecognized or misdiagnosed, it can wreak havoc on ADHD symptoms and seriously disrupt quality of life.
  • #145 Delayed Sleep Phase Syndrome: Signs, ADHD Link, TreatmentsFooterLogo
    https://www.additudemag.com/delayed-sleep-phase-syndrome-signs-treatments-adhd/?srsltid=AfmBOoqLIkkufYycGdNiedLjHqQ4JQvrrty5xaNWOMt4_o1N2mGXWUVN
    Delayed sleep phase syndrome is a sleep disorder that disrupts one’s ability to sleep and wake at conventional times. DSPS is commonly seen with ADHD. […] DSPS is frequently misdiagnosed or overlooked in individuals with ADHD, leading to ineffective treatments and continued sleep disturbances. […] Proper treatment of DSPS comprises specialized approaches like light therapy and melatonin supplementation, which aim to regulate the internal body clock and improve sleep quality. […] DSPS is characterized by significant difficulty falling asleep and waking up at socially conventional times. […] Individuals with DSPS will go to bed at socially conventional times, only to lie awake in the dark for hours, waiting to fall asleep. […] When DSPS goes unrecognized or misdiagnosed, it can wreak havoc on ADHD symptoms and seriously disrupt quality of life.
  • #146 Everything You Should Know About Delayed Sleep Phase Syndrome – CNET
    https://www.cnet.com/health/sleep/delayed-sleep-phase-syndrome/
    Delayed sleep phase syndrome may be to blame, and it’s more common than you think. […] DSPS is a circadian rhythm disorder that affects a person’s ability to go to bed at „normal” hours, which leads them to sleep most of the day away. […] Typically, people with DSPS fall asleep anywhere from 2 a.m. to 6 a.m., meaning they don’t get rest until well after midnight. […] Most studies show that having a circadian rhythm disorder starts during a person’s teenage years. Then, it gets progressively worse into young adulthood. […] Everyone diagnosed with this syndrome is different. Researchers have found that most people are groggy, sleep-deprived and lack awareness when they go against their body’s natural circadian rhythm. […] DSPS is often misdiagnosed as insomnia, depression or other common sleep or mental health disorders.