10 Causes of Fatigue
Reviewed: Dr. Mera
Cause #4: Jet Lag
Jet lag describes a condition that is due to alterations of the circadian rhythms due to rapid long-distance travel (east to west or west to east). This condition may last several days until the affected individual has fully adjusted to the new time zone.
It may take up to one day per time zone crossed. Jet lag has been observed most among aircraft crew, pilots, and frequent travelers. Those with jet lag often experience sleep disturbance, fatigue, difficulty waking up, poor concentration, headaches, irritability, indigestion, and poor appetite. For jet lag to occur, a change of three or more time zones may be required.
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