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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How to All。业内人士推荐heLLoword翻译官方下载作为进阶阅读

Фото: Екатерина Чеснокова / РИА Новости

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