Get Jet lag information from Consumer Reports Health.

Jet lag

How common is jet lag?

Most people flying across five or more time zones get at least some symptoms of jet lag.

Crossing five or more time zones means the country you are going to is at least five hours ahead or five hours behind the country you are leaving. For example, New York and London, England have a five-hour time difference.

This information was last updated on Feb 05, 2009

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