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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Additional reporting by Antoine Schirer, Rafid Hossain and Victoria Arakelyan.

我身边有很多加盟商创牌失败的案例，其中一位创业者亏了几千万之后，总结出三句话，值得所有想创牌的人思考与借鉴：一思，能不能不做？二思，能不能晚点做？三思，能不能交给别人做？先评估自己的能力和准备程度，做好充分准备再出发，比盲目跟风更靠谱。学会借力，才能规避风险、提高成功率。

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