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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深圳：20+8集群与创业沃土。 战略性新兴产业增加值占GDP比重已达43%。深圳通过总规模超500亿元的区域创业投资基金，为科技型初创企业提供金融底座。对于普通人，深圳通过“秒报秒批”和“视频办”的政务改革，提供了全国最低的商事准入门槛 [19]。

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