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。
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。
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。
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。
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。
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。
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%。
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。
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。
Quality sleep time is one of the best ways to give your brain a needed boost for the next day.
有质量的睡眠对于你第二天大脑所需的运作来讲，将是一个最好的方法。
In fact, the teacher would also like to quilt up late, but to us, they sacrifice their sleep time.
其实老师也想在被窝里睡懒觉，但是为了我们，他们牺牲自己的睡眠时间。
It is important to schedule your sleep time and keep to that schedule, no matter what might come up during the day.
计划你的睡觉时间是很重要的，并且遵守这个计划，不管当天可能会发生什么。
This meant they could disrupt their sleep without affecting total sleep time or the quality or composition of sleep.
因而他们能够在不影响老鼠的睡眠总量，质量以及睡眠构造的前提下扰乱其睡眠。
Too often we are likely to allow our sleep time to be infringed upon when our daytime obligations take longer than we expect.
我们经常侵害我们的睡觉时间，当我们白天的事情花费了比我们想象中还要长的时间。
The control group spent about 19 percent of their sleep time in the REM stage, compared to about 17 percent for the ADHD group.
控制组在REM阶段的时间是总睡眠时间的19%，而患有adhd的研究组时间是17%。
The first line of the output contains the random number of seconds selected for the sleep time, followed by the name of the script.
输出的第一行包含随机选择的睡眠秒数，然后是脚本的名称。
For a 1000 mAH battery, the Intel Atom Z500 Atom processor running at 800 MHz offers 19 hours of sleep time and overall battery life of 7 hours.
想下这些数字（来自ARM），一颗1000毫安时容量的电池IntelAtomZ500处理器在频率800MHz运行时能支持19个小时的休眠时间，7小时的正常使用时间；
If there is excessive daytime sleepiness and desire to nap, in spite of adequate sleep time, this might suggest a sleep disorder warranting further evaluation.
如果白天有很强的睡意，想小睡一会，虽然有充足的睡眠时间，这也许意味着睡眠障碍需要进一步评估。
And, indeed, over the past century Americans have reduced their average nightly sleep time by more than 20 percent — wearing the dark circles under their eyes like badges of honor.
的确，在过去的一个世纪里，美国人每晚平均睡眠时间减少了20%以上——人们带着黑眼圈就像戴着荣誉徽章一样光荣。
Monday's study from Eastern Virginia Medical School in Norfolk covered 1, 000 people and found that total sleep time decreased as body mass index — a measure of weight based on height — increased.
周一，位于美国弗吉尼亚州诺福克市的东维吉尼亚医学院发布了这份研究。对1000名受试者的研究显示累计睡眠时间和体重指数刚好成反比，体重指数是一种以身高为基准来衡量体重的方法。
“These conclusions explain why some animals can survive and reproduce optimally with only a few waking hours, whereas others need to eat all day and must have reduced sleep time, ” he told Nature.
最后他得出结论，有些动物每天只需要数小时就可以获得生存和繁衍所需的能量，而有些则需要一整天都在摄取食物。
He took a long time getting to sleep that night.
他那天晚上过了好长时间才睡着。
Over time, not having enough sleep—especially deep and REM sleep—can cause one to become sick more easily.
随着时间的推移，睡眠不足会让人更加容易生病，尤其是深度睡眠和快速眼动睡眠时间不足时。
These researchers also claim that improvements of memory overnight can be explained by the mere passage of time, rather than attributed to sleep.
这些研究人员还声称，一夜之间记忆力的改善可以用时间的推移来解释，而不是归因于睡眠。
When they sleep, they seldom lie down and sleep for minutes at a time, since it's difficult for them to get up again and it's dangerous in the wild.
当它们睡觉的时候，它们很少躺下来一次睡上几分钟，因为它们很难再起来，在野外这是很危险的。
"Heidi went to sleep a long time ago," said Clara, highly amused.
“海蒂早就睡着了。”克拉拉说，觉得很有趣。
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