Jet Lag: Symptoms & Signs

Medically Reviewed on 7/1/2021

Jet lag is a type of circadian rhythm sleep disorder. Jet lag has also been referred to as desynchronosis and flight fatigue.

Signs and symptoms of jet lag vary among affected individuals and are typically increasingly severe with an increasing number of time zones crossed. Symptoms can include

Other associated symptoms in some people can include an

The symptoms of jet lag can affect people of all ages, including children and babies.

Cause of jet lag

Air travel across multiple time zones (usually two or more time zones) causes jet lag, a temporary condition.

Other jet lag symptoms and signs


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Jameson, J. Larry, et al. Harrison's Principles of Internal Medicine, 20th Ed. New York: McGraw-Hill Education, 2018.