The authors of the current study turned their attention to long-term sleep loss, and examined whether the effects of such constant sleep deprivation could be erased with an extended resting period.

现在的研究人员将他们的注意力放在了长期睡眠缺失上，考察了是否持续的休息周期的影响能够弥补此种连续的睡眠缺失的损害。

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Women with a higher amount of deep sleep can handle better the effects of one work week of mild sleep deprivation, and their recovery is more complete after two nights of extended sleep.

优质的‘深度睡眠’可以帮助女性缓解一周以来工作所造成的影响，连续两晚的延长睡眠后，也能更好的恢复精力。

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While the ill effects of depression on sleep are well known, he adds, mounting evidence suggests that sleep deprivation in and of itself can contribute to depression.

他还说，抑郁对于睡眠会产生消极的影响是众所周知的，而越来越多的证据显示睡眠不足本身就可以导致抑郁。

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The findings also tie into research attempting to do away with sleep, such as by finding a drug that could eliminate the effects of sleep deprivation.

BBC: Bad sleep 'dramatically' alters body

The mountain's summit stands at 8, 848 metres high, and beyond 7, 600 metres climbers enter what is known as the "death zone" - so called because of the serious effects of oxygen deprivation on the body.

BBC: Climber abandons Everest attempt

While the ill effects of depression on sleep are well known, he adds, mounting evidence suggests that sleep deprivation in and of itself can contribute to depression.

CNN: Sleep deprivation linked to depression in teens