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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2026-02-28 00:00:00:0本报记者 任皓宇3014271710http://paper.people.com.cn/rmrb/pc/content/202602/28/content_30142717.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/28/content_30142717.html11921 “沙中共绘文化交流新画卷”，推荐阅读51吃瓜获取更多信息

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host, or in a hybrid mode in which they performed some transactions locally and

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