Exercise may help teens sleep longer, more efficiently. Research found that for every extra hour of moderate-to-vigorous physical activity, the teens fell asleep 18 minutes earlier, slept 10 minutes longer and had about one percent greater sleep maintenance efficiency that night.

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Exercise may help teens sleep longer, more efficiently. Research found that for every extra hour of moderate-to-vigorous physical activity, the teens fell asleep 18 minutes earlier, slept 10 minutes longer and had about one percent greater sleep maintenance efficiency that night.