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:wap资讯

"All of those family celebrations, the birthdays and the other events that they thought they were going to be part of - now, suddenly they can perhaps catch up on a bit of lost time."

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Москвичей предупредили о резком похолодании09:45