但那些在子夜后睡觉的人的就寝时刻较着少很多。

But that amount of sleep dropped significantly for those in bed after midnight.

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每天的同一时刻—在每天的同一时刻开始就寝，并保持这个时间点。

Same time every day - Start your bedtime routine at the same time each day and maintain a regular sleep time.

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研究呈报说，每晚就寝时刻为五小时或更少的青少年患烦闷症的几率高71%，呈现自尽偏向的几率高48%。

And adolescents who slept five hours or less a night were 71 percent more likely to suffer depression and 48 percent more at risk of becoming suicidal, the study said.

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