Most school regimes force teenagers to function at a time of day that is sub-optimal, and many university students are exposed to considerable dangers from sleep deprivation.

大多数学校的制度强迫青少年在一天中状态不佳的时间学习，睡眠被剥夺严重威胁着许多大学生。

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It is the first time in his life, he said, that he has felt such deprivation.

他说这是他生命中第一次感到如此地被剥夺。

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At the same time, Breus says, sleep deprivation causes your body to release more ghrelin, the hormone that signals hunger, and less leptin, the hormone that tells your body it's full.

同时，他说，睡眠不足会使身体释放更多的生长激素释放多肽和瘦素，前者会发出饥饿信号，后者则会告诉身体已经吃饱。

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Over time, sleep deprivation can cause irritation, depression, sickness or mistakes.

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There are over 300 different variables that hospitals need to provide, coving issues such as age, time of diagnosis, deprivation, lifestyle and existing illnesses.

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The last time a peer lost his title was in 1917 when the Titles Deprivation Act was applied to four people on grounds of treason.

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