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：dev资讯

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“这一新的现实情况表明，这是有意做出的举措，即比以往任何时候都更进一步地锁定供应链产能。”