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Symptoms
By Mayo Clinic staffSymptoms of jet lag can vary. You may experience only one symptom or multiple symptoms. Jet lag symptoms may include:
- Disturbed sleep — such as insomnia, early waking or excessive sleepiness
- Daytime fatigue
- Difficulty concentrating or functioning at your usual level
- Stomach problems, constipation or diarrhea
- A general feeling of not being well
- Muscle soreness
- Menstrual symptoms in women
Symptoms worse the farther you travel
Jet lag symptoms usually occur within a day or two of travel if you've traveled across at least two time zones. Symptoms are likely to be worse or last longer the more time zones that you've crossed, especially if you travel in an easterly direction. It's estimated to take about a day to recover for each time zone crossed.
When to see a doctor
Jet lag is temporary. But if you are a frequent traveler and continually struggle with jet lag, you may benefit from seeing a sleep specialist.
- Jet lag. SleepEducation.com. http://www.sleepeducation.com/Disorder.aspx?id=9. Accessed May 2, 2010.
- Sack RL. Jet lag. The New England Journal of Medicine. 2010;262:440.
- Czeisler CA, et al. Sleep disorders. In: Fauci AS, et al. Harrison's Online. 17th ed. New York, N.Y.: McGraw Hill; 2008. http://www.accessmedicine.com/content.aspx?aID=2897526&searchStr=sleep+disorders%2c+circadian+rhythm. Accessed May 4, 2010.
- Morgenthaler TI, et al. Practice parameters for the clinical evaluation and treatment of circadian rhythm sleep disorders. Sleep. 2007;20:1445.
- Barion A, et al. A clinical approach to circadian rhythm sleep disorders. Sleep Med. 2007;8:566. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2679862/pdf/nihms29226.pdf. Accessed May 4, 2010.
- Muhm MJ, et al. Effect of aircraft-cabin altitude on passenger discomfort. The New England Journal of Medicine. 2007;257:19.
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