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Study finds new potential treatment for jet lag

Emanella Grinberg, CNN

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(CNN)Jet lag might be the worst part of long-distance travel, especially when it leaves you feeling tired, cranky and off-kilter for days.

But scientists at Stanford University say there may be a way to prevent jet lag without medication or adjusting your sleep schedule.

A team of researchers led by neurobiologist Jamie Zeitzer is working on a technique that exposes people to short flashes of light while they sleep to help them adjust more quickly to time zone changes.

Current light therapy treatment includes sitting in front of bright lights for hours at a time during the day, which allows you to transition your body clock to a new time zone in small steps prior to taking a trip. Zeitzer's latest study, published Monday in the Journal of Clinical Investigation, could make treatment easier by providing light exposure during sleep, before the trip, without changing or interrupting your routine.

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