Sleep loss also had a dramatic effect on genes that govern the body's biological clock, suggesting that poor sleep might trigger a vicious cycle of worsening sleep disruption.

睡眠不足对支配人体生物钟的基因也有巨大影响，这表明睡眠不足可能引发恶化的睡眠中断的恶性循环。

Jim Horne, professor of psychophysiology at Loughborough University's Sleep Research Centre, said: "The potential perils of 'sleep debt' in today's society and the need for 'eight hours of sleep a night' are often overplayed and can cause undue worry. Although this important study seems to support this concern, the participants had their sleep suddenly restricted to an unusually low level, which must have been somewhat stressful.

吉姆•霍恩，拉夫堡大学睡眠研究中心的心理生理学教授，说：“ 在今天社会‘睡眠债’的潜在危险以及需要‘每晚八小时睡眠’往往被夸大，会导致过度忧虑。尽管这一重要研究似乎支持这一担忧，但参与者使其睡眠突然限于异常低的水平，这一定是有些紧张。”

"We must be careful not to generalise such findings to,then say, habitual six-hour sleepers who are happy with their sleep. Besides, sleep can adapt to some change, and should also be judged on its quality, not simply on its total amount."

“我们必须小心地不去归纳这些发现，然后说习惯于六小时睡眠的人满意他们的睡眠。此外，睡眠可以适应于一些变化，也应根据其质量来判断，而不是简单地根据其总量。”

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