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Switch the lights on Exposure for a specific duration cures jet-lag

PEOPLE who fly across time zones spend the first few days on ground in a daze, uncertain whether they should sleep or keep awake. Known as jet-lag, this disturbance in the pattern of sleep can lead to digestive problems, fatigue, disorientation and even mild depression.

Some common remedies suggested include walking barefoot or swimming in the ocean. Standing under the sun is an accepted method but there are variables such as timing, intensity and duration of light, to be considered.

Sleep experts at Brigham and Women

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