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1·At about age 15 or so, the men voluntarily began cutting down their nightly sleep time because of pressures from school, work, and other activities.

在大约15岁左右的时候，由于学校、工作和其他活动的压力，这些男性自愿开始减少夜间睡眠时间。

2·But at about age 15 or so, the men voluntarily began cutting down their nightly sleep time because of pressures from school, work, and other activities.

但在大约15岁左右的时候，由于学校、工作和其他活动的压力，这些男性自愿开始减少夜间睡眠时间。

3·Create a routine for the children -especially sleep time.

为孩子们规定日常事务——特别是睡觉时间。

4·Create a routine for the children - especially sleep time.

为孩子们规定日常事务——特别是睡觉时间。

5·The sleep time between scans is adjusted according to host memory size.

扫描之间的休眠时间会根据主机内存大小调整。

6·But the actual net sleep time is only about two hours per day total.

所以其实真正算起来，我每天的实际睡眠只有不到两个小时。

7·Newborn babies may spend more than 80 percent of their total sleep time in REM.

对于大多数被试者，快动期占整个睡眠时间的20%，而新生儿的快动期可达睡眠时间的80%。

8·The researchers are not yet certain how the gene mutation works to shift people's sleep time.

但科学家们目前尚不能确定这种基因突变是如何改变人们睡眠时间的。

9·So, we squander a valuable sleep time, loitering in a world of the non-existent feelings.

于是我们挥霍着宝贵的睡眠时间，游荡在一个不存在的感情世界里。

10·Avoid spicy food, caffeine, sugar and alcohol at least 4 to 6 hours prior to your sleep time.

睡前至少4至6小时之内，避免进食辛辣食物，咖啡，糖类和酒精。