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%。
They also recorded sleep habits or disturbances: bad dreams, total sleep time and delays in falling asleep.
他们还记录睡眠习惯或存在的问题：噩梦、总的睡眠时间和晚睡情况。
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。
So drink before bed does not increase the total sleep time, but may make sleep lighter, is not conducive to sleep.
所以睡前喝酒并不能增加总的睡眠时间，反而有可能使睡眠变浅，不利于睡眠。
On average it reduces the time it takes to get to sleep by 12 minutes and increases total sleep time by 42 minutes.
平均可减少的时间到达了12分钟，增加总睡眠时间的42分钟的睡眠。
In patients with depression, total sleep time is significantly decreased and REM sleep intensity is significant increased.
抑郁症病人的总睡眠时间减少和REM睡眠强度增加。
In either daytime or nighttime period, no significant change was observed in the total sleep time during cocaine abstinence.
停药期间白天和夜间总睡眠无明显变化。
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。
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。
If individuals are awakened each time they begin a dream phrase of sleep, they are likely to become irritable even though their total amount of sleep has been sufficient.
如果将睡觉的人一开始进入梦乡就叫醒，即使他们的睡眠总量是足够的，他们也很可能变得烦躁易怒。
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。
Previous studies mainly aim at total sleep deprivation during a short period instead of restricting sleep time every day on a Lev el shorter than normal.
以往大多数研究针对的是短期内完全不睡眠，而不是在一个阶段内的把每天的睡眠时间限制在低于正常的水平上。
Total darkness tells your brain it's time to sleep.
完全黑暗的告诉你的大脑是时候睡觉。
Total darkness tells your brain it's time to sleep.
完全黑暗的告诉你的大脑是时候睡觉。
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