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杨林旭3014268810http://paper.people.com.cn/rmrb/pc/content/202602/28/content_30142688.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/28/content_30142688.html11921 考古新成果阐释中华文明突出特性(考古中国)