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.

· · 来源：north资讯

创建聊天时传递你的工具 — 插件将自动生成系统提示。

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A16荐读，详情可参考heLLoword翻译官方下载

Eileen Collins made history as the first woman to pilot and command a Nasa spacecraft - but despite her remarkable achievements, not everyone will know her name.

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