A trick to prevent jet lag
A new Stanford University study finds exposing travelers to short flashes of light while they sleep could help prevent jet lag.
In sleep lab experiments, this method delayed the onset of sleepiness by almost two hours.
That's about an hour and a half longer than those exposed to continuous light.
Researchers say flashing light therapy could be used the night before traveling to trick the brain's biological clock into adjusting to an awake cycle.
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