Materiały źródłowe

• #1 Jet lag disorder – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/jet-lag/symptoms-causes/syc-20374027

  Jet lag, also called jet lag disorder, is a temporary sleep problem that can affect anyone who quickly travels across several time zones. […] Jet lag occurs because your body’s internal clock is synced to your original time zone. It hasn’t changed to the time zone of where you’ve traveled. The more time zones crossed, the more likely you are to experience jet lag. […] Jet lag is temporary. But if you travel often and experience jet lag, you may benefit from seeing a sleep specialist. […] Jet lag can occur anytime you cross two or more time zones. Crossing multiple time zones puts your internal clock out of sync with the time in your new locale. Your internal clock, also called circadian rhythms, regulates your sleep-wake cycle. […] Some research shows that changes in cabin pressure and high altitudes associated with air travel may contribute to some symptoms of jet lag, regardless of travel across time zones.

• #1 Jet Lag Disorder | Yellow Book | CDC

  https://www.cdc.gov/yellow-book/hcp/travel-air-sea/jet-lag-disorder.html

  Healthcare professionals should counsel travelers on preventing and managing jet lag symptoms during international travel. […] Jet lag disorder is not just a general feeling of low energy. It can manifest as sleep disturbances, cognitive impairment, daytime sleepiness, general malaise, gastrointestinal disturbances, and/or other symptoms. […] There are limited data on the prevalence of jet lag disorder, but one recent survey reported that 68% of international business travelers experienced negative symptoms on a regular basis. […] Risk factors for the development of jet lag disorder include the number of time zones traveled, exposure to appropriate time cues at the destination, individual genetic differences, use of medications, and other individual- and route-specific risk factors. […] Diagnostic criteria for jet lag disorder include insomnia or excessive daytime sleepiness, accompanied by a reduction of total sleep time, associated with trans-meridian travel across at least 2 time zones.

• #1 Jet lag: Heuristics and therapeutics

  https://pmc.ncbi.nlm.nih.gov/articles/PMC6069654/

  Jet lag is often mistaken for travel fatigue. The travel fatigue syndrome involves generalized fatigue, occasional headache, and mental weariness as a result of distorted sleep routine. […] The duration of jetlag symptoms may also depend on direction of travel. […] Jet lag is a common and underdiagnosed medical problem that can have varying effects on motor and cognitive performance. With international travel becoming increasingly common among professionals, jet lag warrants significant medical attention.

• #1 Jet Lag: What It Is, Symptoms, Treatment & Prevention

  https://my.clevelandclinic.org/health/diseases/12781-jet-lag

  Jet lag describes common sleep problems (like insomnia) and other symptoms you may experience after traveling a long distance quickly. […] Jet lag is a type of circadian rhythm sleep disorder. […] Jet lag usually happens when you travel by plane three or more time zones away. Jet lag symptoms result from your bodys natural rhythms being out of sync with the day- and nighttime hours of your destination. […] Most people who experience jet lag have minor symptoms. They generally dont seek medical care. Symptoms usually go away on their own within a few days. […] Call a healthcare provider if youre concerned about your symptoms or feel like your body isnt adjusting to a new location as it should. If your sleep problems dont go away or affect your quality of life, your provider may recommend a sleep study.

• #1 Jet Lag: Symptoms, Causes, Treatment, and Prevention

  https://www.healthline.com/health/jet-lag

  Crossing more than 3 time zones may cause jet lag or disrupt your bodys internal clock. […] Traveling across time zones, especially multiple at a time, may cause jet lag. […] Jet lag disrupts your internal clock and, therefore, body processes. […] Symptoms of jet lag usually appear immediately or within 12 hours of arriving at your new location and may last several days. […] If you have jet lag, youll typically experience at least one of the following symptoms after crossing 3 time zones, according to the CDC: gastrointestinal disturbances, decreased appetite and interest in eating, headache, inability to concentrate, changes in mood, including anxiety, depression, fatigue, irritability, difficulty performing mental and physical tasks, decreased sleep quality. […] If you experience severe symptoms, like cold sweats, vomiting, or fever, you may be experiencing something else.

• #1 Jet Lag Sleep Disorder – Sleep Education by AASM

  https://sleepeducation.org/sleep-disorders/jet-lag/

  Jet lag occurs when you travel across time zones and have trouble adjusting to the new schedule. […] Jet lag is a temporary condition. […] Jet lag is a circadian rhythm sleep disorder. […] Jet lag symptoms are likely to be worse and longer lasting the further you have traveled, especially if you travel eastward. […] Have you traveled by air across at least two time zones? […] If you answered yes to each of these questions, then you may have jet lag. […] A visit to a sleep doctor is not necessary unless you travel often and continue to struggle, or suspect you have another sleep disorder such as sleep apnea. […] You should be able to adjust your sleep schedule and overcome jet lag on your own.

• #1

  https://www.namcp.org/sleepdisorders/html/disorders/jetlag/diagnosis.html

  Information regarding the diagnosis of jet lag can be accessed through the links below. […] Typically, the patient’s primary care doctor will evaluate any symptoms that could be related to jet lag. In rare situations, if the symptoms are severe and frequent enough, the doctor will recommend for the patient to see a sleep specialist. These doctors specialize in diagnosing patients suffering from sleep disorders and will be responsible for the treating of the patient. […] In many cases, people with jet lag can identify the symptoms themselves when traveling. The questionnaire below can help a person determine whether or not they may be experiencing jet lag. […] If your answer was yes to the three questions listed above, then it is possible that you have jet lag.

• #1 Jet lag disorder | MedLink Neurology

  https://www.medlink.com/articles/jet-lag-disorder

  Jet lag disorder is a clinical diagnosis. Objective laboratory testing such as actigraphy, polysomnography, or measurement of circadian phase markers are not routinely indicated. […] There are several questionnaires available for evaluation of jet lag disorder and its symptoms, including the Stanford Sleepiness Scale, Columbia Jet Lag Scale, the Liverpool Jet Lag Questionnaire, and the Charite Jet Lag Scale. The Columbia Jet Lag Scale is currently the only questionnaire that has been validated to assess the presence and severity of jet lag.

• #1 Jet lag disorder – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/jet-lag/symptoms-causes/syc-20374027

  Factors that increase the likelihood you’ll experience jet lag include: The more time zones you cross, the more likely you are to feel jet lag. […] A few basic steps may help prevent jet lag or reduce its effects: If you have an important meeting or other event that requires you to be in top form, try to arrive a few days early to give your body a chance to adjust. […] Drink plenty of water before, during and after your flight to counteract the effects of dry cabin air. Dehydration can make jet lag symptoms worse.

• #1 Jet Lag Causes, Symptoms, Recovery, Treatment, Duration

  https://www.medicinenet.com/jet_lag/article.htm

  Recovering from jet lag depends on the number of time zones crossed while traveling. In general, the body will adjust to the new time zone at the rate of one or two time zones per day. For example, if you cross six time zones, the body will typically adjust to this time change in three to five days. Jet lag is temporary, so the prognosis is excellent and most people will recover within a few days. […] The best way to treat jet lag is to take measures to prevent it. But you may still feel jet lagged when traveling across many time zones, even with some preventive measures. Treatment to cure jet lag involves some of the home remedies discussed.

• #1 Jet Lag | Brain Institute | OHSU

  https://www.ohsu.edu/brain-institute/jet-lag

  Rapid travel across several time zones disturbs normal body rhythm and produces many physical and psychological stresses on the body. Commonly referred to as jet lag, the medical term is „circadian dysrhythmia,” and while this rarely causes any severe problems, a few days of discomfort may take place before your body adjusts to your new time zone. […] The symptoms of jet lag may resemble other conditions or medical problems. Consult a physician for diagnosis. […] The rule of thumb is that generally for west-to-east trips, it takes one day to recover for each time zone you crossed. For east-to-west trips, one day is required for each one and a half time zones crossed. […] There is nothing that eliminates jet lag entirely. The following tips will, however, help to minimize its effects and help you to recover more quickly:

• #1 Jet lag and sleep phase disorders – Symptoms, diagnosis and treatment | BMJ Best Practice US

  https://bestpractice.bmj.com/topics/en-us/1017

  Key diagnostic factors include history of jet travel across at least 2 time zones, difficulty initiating or maintaining sleep, reduction of total sleep time, daytime sleepiness, and reduced daytime alertness. […] Other diagnostic factors include nausea, abdominal distension, constipation, general malaise, and muscle cramps. […] Risk factors include multiple time zones crossed and rapidity of travel, sleep deprivation, individual susceptibility to time zone shifts, excessive alcohol or caffeine consumption, and stress.

• #1 Jet lag – UpToDate

  https://www.uptodate.com/contents/jet-lag

  Jet lag ensues, which manifests as impaired alertness during the desired wake time and/or difficulty sleeping during the allotted time for sleep at the destination. […] This topic reviews the underlying pathophysiology, clinical features, evaluation, and treatment of jet lag. […] The prevalence of jet lag is unknown. […] The impact of age and sex on the likelihood of developing jet lag has not been clearly defined, although older adults may be less likely to experience symptoms of jet lag. […] This generalized information is a limited summary of diagnosis, treatment, and/or medication information.

• #1 Jet Lag Symptoms, Causes & Prevention | Baptist Health

  https://cd.baptisthealth.com/care-services/conditions-treatments/jet-lag

  Jet lag is a sleep disorder caused by rapid travel across time zones (jet, or airplane, rather than car or train travel). The medical terms for jet lag are desynchronosis or circadian dysrhythmia. […] Jet lag is temporary but can be a source of serious discomfort while it lasts. […] If you travel regularly and are troubled by jet lag, contact a primary care physician or sleep specialist at Baptist Health. […] Jet lag discriminates by age: older persons tend to feel symptoms more acutely than the young. Also, traveling east magnifies the impact of jet lag more than traveling west. […] Because jet lag is temporary your body will usually adjust to new circumstances in a few days it rarely requires a medical response. […] However, physicians will sometimes prescribe treatment for persons who travel frequently and regularly experience jet lag. […] Though jet lag is classified as a type of sleep disorder, it isnt particularly harmful. Keep in mind that it will go away on its own, as your body adjusts to new circumstances. […] If it becomes an issue in your life, see your Baptist Health primary care physician or sleep specialist.

• #1

  https://www.amerikanhastanesi.org/mayo-clinic-care-network/mayo-clinic-health-information-library/diseases-conditions/jet-lag-disorder

  Some research shows that changes in cabin pressure and high altitudes associated with air travel may contribute to some symptoms of jet lag, regardless of travel across time zones. […] Factors that increase the likelihood you’ll experience jet lag include: Number of time zones crossed. The more time zones you cross, the more likely you are to feel jet lag. Flying east. You may find it harder to fly east, when you „lose” time, than to fly west, when you „gain” time. Being a frequent flyer. Pilots, flight attendants and business travelers are most likely to experience jet lag. Being an older adult. Older adults may need more time to recover from jet lag. […] A few basic steps may help prevent jet lag or reduce its effects: Arrive early. If you have an important meeting or other event that requires you to be in top form, try to arrive a few days early to give your body a chance to adjust. Get plenty of rest before your trip. Starting out sleep deprived makes jet lag worse. Gradually adjust your schedule before you leave. If you’re traveling east, try going to bed one hour earlier each night for a few days before your trip. If you’re flying west, go to bed one hour later for several nights before you fly. If possible, eat meals closer to the time you’ll be eating them during your trip.

• #1 Jet Lag Disorder | Yellow Book | CDC

  https://www.cdc.gov/yellow-book/hcp/travel-air-sea/jet-lag-disorder.html

  Impairment of daytime function, general malaise, or somatic symptoms within 12 days after travel is also a criterion. […] The sleep disturbance is not better explained by another current sleep disorder, medical or neurological disorder, mental disorder, medication use, or substance use disorder. […] Prevention of jet lag symptoms is of great interest to the traveler and the travel clinic. […] It is important to differentiate the effects for infrequent travelers and frequent travelers. […] Standard treatment for jet lag disorder in frequent travelers includes timed melatonin administration; additional treatment options include timed light exposure, strategic scheduling of sleep, hypnotic administration, stimulant administration, and/or maintaining home-base (local) sleep hours during short-trips where adaptation would be limited.

• #1 Jet lag Guide: Causes, Symptoms and Treatment Options

  https://www.drugs.com/health-guide/jet-lag.html

  There are no tests for jet lag, although the cause usually is obvious. If you have typical symptoms, you do not need to seek medical attention. […] If you have symptoms of jet lag lasting longer than two weeks, it is possible that something else is triggering your sleep difficulty. Your doctor may suggest an evaluation to check for other disorders.

• #1 Jet Lag And Sleep: Everything You Need To Know – Sleep Care Online

  https://www.sleepcareonline.com/articles/jet-lag-and-sleep/?srsltid=AfmBOop9NpuDDxykqznmCidb0b3qWOhz93URhxenlLj6Cc9TDf-RV7T-

  Jet lag is a circadian rhythm sleep disorder that occurs when your 24-hour internal clock does not match the local day-night cycle. […] Jet lag is associated with circadian rhythm sleep disorder. This disorder is the disruption of your internal clock which governs when you sleep and when you are awake. […] Most symptoms of jet lag are short-term and probably do not need a medical diagnosis. Symptoms will usually go away within a few days. If symptoms persist, then you may want to see your doctor. Sometimes other sleep disorders such as obstructive sleep apnea may be the root cause of sleep deprivation rather than jet lag.

• #1 Coping With Jet Lag and Sleepiness

  https://www.webmd.com/sleep-disorders/features/jet-lag-remedies

  Jet lag can occur any time you travel quickly across two or more time zones. The more time zones you cross, the more likely you are to be sleepy and sluggish — and the longer and more intense the symptoms are likely to be. […] Jet lag is a temporary sleep disorder, but not temporary enough for many travelers. If youre flying from San Francisco to Rome for a 10-day trip, for example, it may take six to nine days to fully recover. […] Jet lag happens because rapid travel throws off our circadian rhythm — the biological clock that helps control when we wake and fall asleep. […] Other aspects of air travel can aggravate the problem. […] Melatonin naturally secreted in our bodies helps regulate our circadian rhythms so that we sleep at night. But the jury is still out on the effectiveness of the supplement melatonin to combat jet lag and aid sleep. […] If you fly frequently and jet lag is a problem, consider seeing a sleep specialist — a physician or psychologist who has specialized training in sleep medicine.

• #1 Jet lag – Wikipedia

  https://en.wikipedia.org/wiki/Jet_lag

  Jet lag has a stronger impact when crossing more time zones over a few days. […] The chances of jet lag increase with less sleep before a flight and higher stress levels. […] Jet lag may require three hour or more hours of time zone change to occur, but some individuals can be affected by a single hour of time zone change which can include the single-hour shift to or from daylight saving time. […] Jet lag is linked only to the distance travelled along the eastwest axis. […] Jet lag may affect the mental health of vulnerable individuals. […] Constant disruption caused by chronic jet lag can cause complications to the daily metabolic cycle of an individual due to a hinted link between circadian rhythm and metabolic/epigenetic mechanisms. […] Research on animal models have shown that cancer growth has a potential link to chronic jet lag’s effect on the circadian rhythm due to constant disruption.

• #1 Jet lag and sleep phase disorders – Symptoms, diagnosis and treatment | BMJ Best Practice

  https://bestpractice.bmj.com/topics/en-gb/1017

  Jet lag and sleep phase disorders affect millions of travellers worldwide. […] Rapid change in time zone produces a constellation of symptoms called jet lag disorder. […] Symptoms include difficulty initiating and maintaining sleep, reduced daytime alertness, general malaise, and gastrointestinal symptoms. […] Severity of symptoms depends on the number of time zones crossed, times of travel, quality of sleep in flight, circadian time cues at the place of travel, individual propensity, and direction of travel. […] Jet lag disorder is a temporary desynchronisation between endogenous body rhythms and exogenous environmental rhythms, caused by rapid transmeridian travel across different time zones, leading to sleep disturbance, reduced alertness, general malaise, and gastrointestinal symptoms.

• #1

  https://www.amerikanhastanesi.org/mayo-clinic-care-network/mayo-clinic-health-information-library/diseases-conditions/jet-lag-disorder

  Jet lag disorder Last Updated on November 15, 2023 Overview Jet lag, also called jet lag disorder, is a temporary sleep problem that can affect anyone who quickly travels across several time zones. Jet lag occurs because your body’s internal clock is synced to your original time zone. It hasn’t changed to the time zone of where you’ve traveled. The more time zones crossed, the more likely you are to experience jet lag. Jet lag can cause daytime fatigue, an unwell feeling, trouble staying alert and stomach problems. Although symptoms are temporary, they can affect your comfort while on vacation or during a business trip. But you can take steps to help prevent or lessen the effects of jet lag. […] Symptoms of jet lag can vary. You may experience only one symptom or you may have many. Jet lag symptoms may include: Sleep problems such as not being able to fall asleep or waking up early. Daytime fatigue. Not being able to focus or function at your usual level. Stomach problems such as constipation or diarrhea. A general feeling of not being well. Mood changes.

• #1

  https://www.amerikanhastanesi.org/mayo-clinic-care-network/mayo-clinic-health-information-library/diseases-conditions/jet-lag-disorder

  Jet lag symptoms usually occur within a day or two after traveling across at least two time zones. Symptoms are likely to be worse or last longer the farther you travel. This is especially true if you fly east. It usually takes about a day to recover for each time zone crossed. […] Jet lag is temporary. But if you travel often and experience jet lag, you may benefit from seeing a sleep specialist. […] Jet lag can occur anytime you cross two or more time zones. Crossing multiple time zones puts your internal clock out of sync with the time in your new locale. Your internal clock, also called circadian rhythms, regulates your sleep-wake cycle. […] A key influence on circadian rhythms is sunlight. Light affects the regulation of melatonin, a hormone that helps cells throughout the body work together.

• #1 Jet Lag – Harvard Health

  https://www.health.harvard.edu/a_to_z/jet-lag-a-to-z

  Jet lag is a type of sleep disorder that is a reaction to traveling between time zones. […] There are no tests for jet lag, although the cause usually is obvious. If you have typical symptoms, you do not need to seek medical attention. […] If you have symptoms of jet lag lasting longer than two weeks, it is possible that something else is triggering your sleep difficulty. Your doctor may suggest an evaluation to check for other disorders. […] Usually, it is not necessary to call a doctor to treat jet lag. However, you should call a health care professional if symptoms have not cleared up within two weeks.

• #1 Jet lag disorder – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/jet-lag/diagnosis-treatment/drc-20374031

  Jet lag is temporary and usually doesn’t need treatment. Symptoms often improve within a few days, though they sometimes last longer. […] If you’re a frequent traveler bothered by jet lag, your health care provider may prescribe light therapy or medicines. […] Light therapy may be useful if you’re a business traveler and are often away from natural sunlight during the day in a new time zone. […] You can take these medicines sometimes called sleeping pills during your flight and for several nights afterward as you adjust to a new time zone. […] Although these medicines appear to help you sleep better and longer, you may still feel jet lag symptoms during the day. The medicines are usually only recommended for people who haven’t been helped by other treatments. […] As a sleep aid, melatonin has been widely studied and is a common jet lag treatment. The latest research seems to show that melatonin aids sleep during times when you wouldn’t typically be resting, making it beneficial for people with jet lag.

• #1 Jet lag

  https://pmc.ncbi.nlm.nih.gov/articles/PMC4006102/

  Jet lag affects most air travellers crossing five or more time zones. The incidence and severity of jet lag increase with the number of time zones crossed. […] Jet lag is worst immediately after travel and gradually resolves over 4 to 6 days as the person adjusts to the new local time. The more time zones crossed, the longer it takes to wear off. […] To prevent or minimise jet lag, with minimal adverse effects. […] We found one systematic review (search date 2008, 10 RCTs, 975 people) comparing melatonin versus placebo. […] Melatonin may be more effective than placebo at reducing jet lag scores after eastward and westward flights (low-quality evidence). […] The adverse effects of melatonin have not yet been adequately investigated. […] The trials included in the review did not state whether travellers were frequent flyers or not.

• #1 Getting the Sleep You Need: Jet Lag and Shift Work | Sleep Medicine

  https://sleep.hms.harvard.edu/education-training/public-education/sleep-and-health-education-program/sleep-health-education-81

  Without a constant sleep/wake schedule during the entire week, the body’s internal biological rhythms may always remain out of sync. […] Some people who work exclusively at night or who work rotating shifts can experience shift work disorder, a chronic condition that is directly related to their work schedule. […] The two primary symptoms of shift work disorder are insomnia when a person is trying to sleep, and excessive sleepiness when a person needs to be awake and alert. […] Chronic sleep deprivation is one outcome of shift work disorder. […] The increased rate of work-related accidents at night and motor vehicle accidents following a night shift are evidence that long-term shift work can be hazardous to health and well-being. […] If sleep or job alertness problems are persistent and severe, shift workers should consider visiting a sleep specialist for an evaluation of a possible underlying sleep disorder that may be complicating the effects of shift work.

• #1 Jet Lag Disorder | Yellow Book | CDC

  https://www.cdc.gov/yellow-book/hcp/travel-air-sea/jet-lag-disorder.html

  Intentional light exposure (or avoidance of such light exposure) at appropriate times of day can help facilitate circadian adaptation to the destination time zone. […] Melatonin is secreted by the pineal gland in the brain during darkness and it is suppressed during the day with light exposure. […] Taking melatonin when the internal clock thinks it is morning will result in a phase delay which can facilitate adaptation to westward travel. […] Taking melatonin when the internal clock thinks it is early evening will result in a phase advance which can facilitate adaptation to eastward travel. […] There are several over-the-counter and prescription medications that are often used to help sustain alertness during the local day, promote sleep during the local night, and ultimately adjust to the new time zone. […] Jet lag calculators have been developed to provide travelers with recommendations on how to mitigate jet lag by adjusting the timing of sleep, light exposure, caffeine consumption, or use of melatonin in the days prior to, during, and following the trip.

• #2 Jet lag: Heuristics and therapeutics

  https://pmc.ncbi.nlm.nih.gov/articles/PMC6069654/

  Jet lag is one of those common medical problems, to which most people dont give a serious thought. However, it is intricately intertwined with our normal circadian rhythm. It is classified as a sleep disorder. […] Jet lag, often deemed as a trivial inconvenience, is actually a recognized sleep disorder. Despite its limited duration, jet lag can produce deleterious health effects in high functioning individuals. […] Jet lag is a clinical diagnosis. The International Classification of Sleep Disorders, Third Edition, lists the following criteria for diagnosis: Excessive daytime sleepiness or distortion of sleep cycle along with decreased total sleep time that coincides with jet travel across at least two time zones (east to west or west to east). Generalized fatigue or presence of somatic symptoms occurring within 2 days of travel onset. No other disorder or condition can be attributed for the sleep disturbance.

• #2 Jet Lag Disorder | Yellow Book | CDC

  https://www.cdc.gov/yellow-book/hcp/travel-air-sea/jet-lag-disorder.html

  Impairment of daytime function, general malaise, or somatic symptoms within 12 days after travel is also a criterion. […] The sleep disturbance is not better explained by another current sleep disorder, medical or neurological disorder, mental disorder, medication use, or substance use disorder. […] Prevention of jet lag symptoms is of great interest to the traveler and the travel clinic. […] It is important to differentiate the effects for infrequent travelers and frequent travelers. […] Standard treatment for jet lag disorder in frequent travelers includes timed melatonin administration; additional treatment options include timed light exposure, strategic scheduling of sleep, hypnotic administration, stimulant administration, and/or maintaining home-base (local) sleep hours during short-trips where adaptation would be limited.

• #2

  https://journals.lww.com/jfmpc/fulltext/2018/07030/jet_lag__heuristics_and_therapeutics.6.aspx

  Jet lag is often mistaken for travel fatigue. The travel fatigue syndrome involves generalized fatigue, occasional headache, and mental weariness as a result of distorted sleep routine. […] The duration of jetlag symptoms may also depend on direction of travel. […] Jet lag is a common and underdiagnosed medical problem that can have varying effects on motor and cognitive performance. With international travel becoming increasingly common among professionals, jet lag warrants significant medical attention. Few treatment strategies exist to counter the deleterious effects of jet lag on the normal circadian cycle. More research trials need to be performed in order to establish concrete treatment recommendations.

• #2 Jet Lag: What It Is, Symptoms, Treatment & Prevention

  https://my.clevelandclinic.org/health/diseases/12781-jet-lag

  Jet lag describes common sleep problems (like insomnia) and other symptoms you may experience after traveling a long distance quickly. […] Jet lag is a type of circadian rhythm sleep disorder. […] Jet lag usually happens when you travel by plane three or more time zones away. Jet lag symptoms result from your bodys natural rhythms being out of sync with the day- and nighttime hours of your destination. […] Most people who experience jet lag have minor symptoms. They generally dont seek medical care. Symptoms usually go away on their own within a few days. […] Call a healthcare provider if youre concerned about your symptoms or feel like your body isnt adjusting to a new location as it should. If your sleep problems dont go away or affect your quality of life, your provider may recommend a sleep study.

• #2 Sleep Awareness | AAO-HNS Bulletin

  https://bulletin.entnet.org/clinical-patient-care/article/22711343/sleep-awareness

  Jet lag is a circadian rhythm sleep disorder that occurs when your internal clocks schedule does not align with the local wake-sleep cycle. […] Jet lag typically occurs with long-distance air travel, when crossing three time zones. […] The severity of jet lag depends on how many time zones you cross and in which direction. […] Jet lag is a temporary condition and resolves when the internal clock adjusts to the new time zone. […] According to the American Academy of Sleep Medicine, if you answer yes: to the following questions, then you may have jet lag. Have you traveled by air across at least two time zones? Do you have trouble sleeping, or are you very sleepy during the day? Do you have difficulty functioning normally or have a feeling of mild sickness or stomach problems within one to two days after travel?

• #2 Jet lag disorder | MedLink Neurology

  https://www.medlink.com/articles/jet-lag-disorder

  Jet lag disorder is a clinical diagnosis. Objective laboratory testing such as actigraphy, polysomnography, or measurement of circadian phase markers are not routinely indicated. […] There are several questionnaires available for evaluation of jet lag disorder and its symptoms, including the Stanford Sleepiness Scale, Columbia Jet Lag Scale, the Liverpool Jet Lag Questionnaire, and the Charite Jet Lag Scale. The Columbia Jet Lag Scale is currently the only questionnaire that has been validated to assess the presence and severity of jet lag.

• #2 Jet lag – Wikipedia

  https://en.wikipedia.org/wiki/Jet_lag

  Jet lag has a stronger impact when crossing more time zones over a few days. […] The chances of jet lag increase with less sleep before a flight and higher stress levels. […] Jet lag may require three hour or more hours of time zone change to occur, but some individuals can be affected by a single hour of time zone change which can include the single-hour shift to or from daylight saving time. […] Jet lag is linked only to the distance travelled along the eastwest axis. […] Jet lag may affect the mental health of vulnerable individuals. […] Constant disruption caused by chronic jet lag can cause complications to the daily metabolic cycle of an individual due to a hinted link between circadian rhythm and metabolic/epigenetic mechanisms. […] Research on animal models have shown that cancer growth has a potential link to chronic jet lag’s effect on the circadian rhythm due to constant disruption.

• #2 Jet Lag: What It Is, Symptoms, Treatment & Prevention

  https://my.clevelandclinic.org/health/diseases/12781-jet-lag

  Researchers have yet to uncover a jet lag cure. Still, you can recover from most symptoms on your own. […] Jet lag is a common problem. People of all ages can experience it while traveling long distances (more than three time zone changes) by plane. You may feel minor to moderate sleep disturbances or other symptoms as your body adjusts to a new sleep-wake cycle at your destination.

• #2 Jet Lag – Causes, Symptoms, Treatment, Diagnosis – MedBroadcast.com

  https://medbroadcast.com/condition/getcondition/jet-lag

  Jet lag occurs when there’s a mismatch between the time of a person’s internal clock and the events affecting that person as a result of rapid travel between different time zones. […] This interval is known as jet lag. […] Jet lag is worse when travelling east than when travelling west. […] The primary symptom of jet lag involves the feeling that everything is happening at the wrong time. […] Some people take melatonin supplements for jet lag. […] There are studies showing that melatonin can help minimize jet lag, but none prove it is safe to take for long periods of time. […] Recent studies show that changing one’s exposure to outdoor light may improve jet lag considerably. […] Other suggestions to reduce the impact of jet lag while travelling include: drinking plenty of water, eating small meals frequently and choosing lighter foods like fruit and vegetables, ensuring you get enough sleep before you leave – a sleep deficit or „debt” will make jet lag worse, limiting or avoiding alcohol and caffeinated drinks, trying to nap whenever you feel sleepy, wearing loose, comfortable clothing, walking around the airplane cabin whenever possible.

• #2 Shorten Jet Lag With a Solid Breakfast in Your New Time Zone

  https://www.everydayhealth.com/healthy-travel/eating-a-big-breakfast-in-your-new-time-zone-might-improve-jet-lag/

  Jet lag is caused by a difference between the circadian system (the body’s internal clock), and the surrounding environment. […] Meal timing is important for circadian health, particularly as we now know almost every cell has a circadian clock which can be influenced by cues such as light or eating, says a coauthor of the study, Yitong Huang, PhD, a postdoctoral fellow at Braun Lab at Northwestern University in Chicago. […] Conflicting signals for example, eating when your brain is about to rest can confuse internal clocks and cause desynchrony, says Dr. Huang. […] The mathematical model was designed to mimic the natural rhythms of how the cycles oscillate and influence each other, and explore how external factors can disrupt those rhythms and lead to jet lag symptoms. […] Using the model, investigators calculated that it would take an estimated five days for a person’s circadian clock to fully adjust to a six-hour time difference on a trip flying west and six days for eastbound travelers with a six-hour difference.

• #2 Jet lag – UpToDate

  https://www.uptodate.com/contents/jet-lag/print

  Jet lag ensues, which manifests as impaired alertness during the desired wake time and/or difficulty sleeping during the allotted time for sleep at the destination. […] This topic reviews the underlying pathophysiology, clinical features, evaluation, and treatment of jet lag. […] The prevalence of jet lag is unknown. […] When international business travelers were surveyed, almost 70 percent reported that jet lag was present „fairly often” or „always.” […] The impact of age and sex on the likelihood of developing jet lag has not been clearly defined, although older adults may be less likely to experience symptoms of jet lag.

• #2 Jet lag disorder – Symptoms and causes – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/jet-lag/symptoms-causes/syc-20374027

  Factors that increase the likelihood you’ll experience jet lag include: The more time zones you cross, the more likely you are to feel jet lag. […] A few basic steps may help prevent jet lag or reduce its effects: If you have an important meeting or other event that requires you to be in top form, try to arrive a few days early to give your body a chance to adjust. […] Drink plenty of water before, during and after your flight to counteract the effects of dry cabin air. Dehydration can make jet lag symptoms worse.

• #2

  https://www.amerikanhastanesi.org/mayo-clinic-care-network/mayo-clinic-health-information-library/diseases-conditions/jet-lag-disorder

  Some research shows that changes in cabin pressure and high altitudes associated with air travel may contribute to some symptoms of jet lag, regardless of travel across time zones. […] Factors that increase the likelihood you’ll experience jet lag include: Number of time zones crossed. The more time zones you cross, the more likely you are to feel jet lag. Flying east. You may find it harder to fly east, when you „lose” time, than to fly west, when you „gain” time. Being a frequent flyer. Pilots, flight attendants and business travelers are most likely to experience jet lag. Being an older adult. Older adults may need more time to recover from jet lag. […] A few basic steps may help prevent jet lag or reduce its effects: Arrive early. If you have an important meeting or other event that requires you to be in top form, try to arrive a few days early to give your body a chance to adjust. Get plenty of rest before your trip. Starting out sleep deprived makes jet lag worse. Gradually adjust your schedule before you leave. If you’re traveling east, try going to bed one hour earlier each night for a few days before your trip. If you’re flying west, go to bed one hour later for several nights before you fly. If possible, eat meals closer to the time you’ll be eating them during your trip.

• #2 Jet Lag – Harvard Health

  https://www.health.harvard.edu/a_to_z/jet-lag-a-to-z

  Jet lag is a type of sleep disorder that is a reaction to traveling between time zones. […] There are no tests for jet lag, although the cause usually is obvious. If you have typical symptoms, you do not need to seek medical attention. […] If you have symptoms of jet lag lasting longer than two weeks, it is possible that something else is triggering your sleep difficulty. Your doctor may suggest an evaluation to check for other disorders. […] Usually, it is not necessary to call a doctor to treat jet lag. However, you should call a health care professional if symptoms have not cleared up within two weeks.

• #2 Jet Lag: Causes, Symptoms, Treatment, and Management

  https://www.everydayhealth.com/sleep/jet-lag/guide/

  Melatonin supplements can in some cases encourage your clocks to adjust more quickly. But Zeitzer says using light exposure to reset your clocks is around 10-fold more potent. […] Cleveland Clinic recommends reaching out to your doctor if you experience symptoms that get worse rather than better after more than a week or if you have persistent symptoms not likely to be related to jet lag, but that could be sign of another illness, like: fever, nausea, or other flu symptoms.

• #2 Jet lag and sleep phase disorders – Symptoms, diagnosis and treatment | BMJ Best Practice

  https://bestpractice.bmj.com/topics/en-gb/1017

  Key diagnostic factors include history of jet travel across at least 2 time zones, difficulty initiating or maintaining sleep, reduction of total sleep time, daytime sleepiness, and reduced daytime alertness. […] Other diagnostic factors include nausea, abdominal distension, constipation, general malaise, and muscle cramps. […] Risk factors include multiple time zones crossed and rapidity of travel, sleep deprivation, individual susceptibility to time zone shifts, excessive alcohol or caffeine consumption, and stress.

• #2

  https://www.amerikanhastanesi.org/mayo-clinic-care-network/mayo-clinic-health-information-library/diseases-conditions/jet-lag-disorder

  Jet lag symptoms usually occur within a day or two after traveling across at least two time zones. Symptoms are likely to be worse or last longer the farther you travel. This is especially true if you fly east. It usually takes about a day to recover for each time zone crossed. […] Jet lag is temporary. But if you travel often and experience jet lag, you may benefit from seeing a sleep specialist. […] Jet lag can occur anytime you cross two or more time zones. Crossing multiple time zones puts your internal clock out of sync with the time in your new locale. Your internal clock, also called circadian rhythms, regulates your sleep-wake cycle. […] A key influence on circadian rhythms is sunlight. Light affects the regulation of melatonin, a hormone that helps cells throughout the body work together.

• #2 Jet Lag Disorder | Yellow Book | CDC

  https://www.cdc.gov/yellow-book/hcp/travel-air-sea/jet-lag-disorder.html

  Intentional light exposure (or avoidance of such light exposure) at appropriate times of day can help facilitate circadian adaptation to the destination time zone. […] Melatonin is secreted by the pineal gland in the brain during darkness and it is suppressed during the day with light exposure. […] Taking melatonin when the internal clock thinks it is morning will result in a phase delay which can facilitate adaptation to westward travel. […] Taking melatonin when the internal clock thinks it is early evening will result in a phase advance which can facilitate adaptation to eastward travel. […] There are several over-the-counter and prescription medications that are often used to help sustain alertness during the local day, promote sleep during the local night, and ultimately adjust to the new time zone. […] Jet lag calculators have been developed to provide travelers with recommendations on how to mitigate jet lag by adjusting the timing of sleep, light exposure, caffeine consumption, or use of melatonin in the days prior to, during, and following the trip.

• #3 Jet lag: Heuristics and therapeutics

  https://pmc.ncbi.nlm.nih.gov/articles/PMC6069654/

  Jet lag is one of those common medical problems, to which most people dont give a serious thought. However, it is intricately intertwined with our normal circadian rhythm. It is classified as a sleep disorder. […] Jet lag, often deemed as a trivial inconvenience, is actually a recognized sleep disorder. Despite its limited duration, jet lag can produce deleterious health effects in high functioning individuals. […] Jet lag is a clinical diagnosis. The International Classification of Sleep Disorders, Third Edition, lists the following criteria for diagnosis: Excessive daytime sleepiness or distortion of sleep cycle along with decreased total sleep time that coincides with jet travel across at least two time zones (east to west or west to east). Generalized fatigue or presence of somatic symptoms occurring within 2 days of travel onset. No other disorder or condition can be attributed for the sleep disturbance.

• #3 Jet Lag – Harvard Health

  https://www.health.harvard.edu/a_to_z/jet-lag-a-to-z

  Jet lag is a type of sleep disorder that is a reaction to traveling between time zones. […] There are no tests for jet lag, although the cause usually is obvious. If you have typical symptoms, you do not need to seek medical attention. […] If you have symptoms of jet lag lasting longer than two weeks, it is possible that something else is triggering your sleep difficulty. Your doctor may suggest an evaluation to check for other disorders. […] Usually, it is not necessary to call a doctor to treat jet lag. However, you should call a health care professional if symptoms have not cleared up within two weeks.

• #3 Jet lag – Health Tips, Jet lag Health Articles, Health News | TheHealthSite.com

  https://www.thehealthsite.com/diseases-conditions/jet-lag/

  Clinical criteria for jet lag diagnosis as per the international classification of sleep disorders are listed below: […] Jet lag is often misdiagnosed as travel tiredness.

• #4 Jet lag: Heuristics and therapeutics

  https://pmc.ncbi.nlm.nih.gov/articles/PMC6069654/

  Jet lag is one of those common medical problems, to which most people dont give a serious thought. However, it is intricately intertwined with our normal circadian rhythm. It is classified as a sleep disorder. […] Jet lag, often deemed as a trivial inconvenience, is actually a recognized sleep disorder. Despite its limited duration, jet lag can produce deleterious health effects in high functioning individuals. […] Jet lag is a clinical diagnosis. The International Classification of Sleep Disorders, Third Edition, lists the following criteria for diagnosis: Excessive daytime sleepiness or distortion of sleep cycle along with decreased total sleep time that coincides with jet travel across at least two time zones (east to west or west to east). Generalized fatigue or presence of somatic symptoms occurring within 2 days of travel onset. No other disorder or condition can be attributed for the sleep disturbance.

• #5 Jet lag disorder | MedLink Neurology

  https://www.medlink.com/articles/jet-lag-disorder

  Jet lag disorder may be partially preventable or treatable by understanding the basics of circadian rhythm physiology and its intimate interactions with the sleep-wake cycle. […] The diagnostic criteria established by the American Academy of Sleep Medicine in the International Classification of Sleep Disorders, 3rd edition, text revision state that criteria A through C must be met in order for a diagnosis of jet lag disorder to be made: (A) There is a complaint of insomnia or excessive daytime sleepiness, accompanied by reduction of total sleep time, associated with transmeridian jet travel across at least two time zones. (B) There is associated impairment of daytime function, general malaise, or somatic symptoms (eg, gastrointestinal disturbance) within 1 to 2 days after travel. (C) The sleep disturbance is not better explained by another current sleep disorder, medical or neurologic disorder, mental disorder, medication use, or substance use disorder.

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