Jet lag

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Skip Jet Lag
As a general rule of thumb, if you've flown east, expose yourself to plenty of light (ideally natural light) during the daytime hours. This will help shift your biological clock forward. When you go west, do the opposite: Seek brightly lit spaces in the evening to help turn your clock back. If you typically struggle to adjust to time changes when you travel, it's safe to take small doses (.5 milligram) of the sleep hormone melatonin for several days to reset your body's circadian rhythm.
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