Start school later, sleep longer, learn better: New study shows that flexible school start times can be an effective and practical approach to reducing chronic sleep deprivation and improving adolescents’ mental health and academic performance.

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Овечкин продлил безголевую серию в составе Вашингтона09:40

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Their mission: to find out if men could survive two weeks in space. If not, the Moon was out of reach.

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This Mom’s

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