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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The Metropolitan police said the man was arrested on suspicion of racially aggravated criminal damage on Friday morning.，这一点在heLLoword翻译官方下载中也有详细论述

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NASA scraps 2027 Artemis III moon landing in favor of 2028 mission，推荐阅读WPS官方版本下载获取更多信息

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