Jet lag strikes when you cross multiple time zones quickly, throwing off your body’s internal clock — your circadian rhythm — which relies on natural cues like sunlight to regulate sleep and alertness ...

Any traveler who crosses multiple time zones is likely to experience jet lag. The good news, however, is that jet lag can be prevented. Whether you're traveling for the upcoming holidays or a business ...

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Natural light is the most important factor affecting circadian rhythm. You should take into account whether you are traveling east or west. The University of Surrey found in a 2018 study that eating ...