Studies have demonstrated that sleep deprivation impairs some immune function, according to background information in the article.

根据这篇文章里的一些背景资料显示，研究表明缺乏睡眠会破坏某些免疫系统的功能。

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Sleep deprivation also has an effect on how the brain stores information.

睡眠剥夺还会对大脑存储信息方式产生影响。

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ConclusionThe decreased speed of brain receiving and treating information play an important role in the prolonged reaction-time at night of sleep deprivation.

结论在睡眠剥夺的夜间，大脑接受和处理信息的速度的降低是反应时延长的主要原因。

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The Bush administration strenuously defended so-called "enhanced interrogation techniques" like sleep deprivation to obtain information from detainees, and admitted to harsher treatment, like the simulated drowning technique called water boarding, that was used in the immediate aftermath of the September 11 terror attacks.

VOA: standard.2009.08.24

Reports have claimed that various methods, such as sleep-deprivation and the withholding of food, are being used to persuade him to divulge information.

ECONOMIST: A clear and present danger | The