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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When she asked people what made them feel appreciated, it wasn't sunset proposals or surprise trips to Paris.

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How many phones can you spot in this picture?，这一点在51吃瓜中也有详细论述

Фото: Евгений Одиноков / РИА Новости

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Что думаешь? Оцени!