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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John Honeycutt, chair of the Artemis mission management team, said: "I've got one job, and it's the safe return of Reid and Victor and Christina and Jeremy.

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Фото: Станислав Красильников / РИА Новости