They have learned that there are five stages of sleep.
他们认识到睡眠分为五个阶段。
Scientists have identified various stages of sleep.
科学家们已经可以识别不同的睡眠阶段。
There are several different stages of sleep, and they too ur in cycles.
有几个不同阶段的睡眠，和他们也发生在周期。
It's known that levels of growth hormone rise during certain stages of sleep.
在睡眠进行的一定阶段的时候，生长类的激素就会上升。
A "nightcap" might help you get to sleep, but alcohol keeps you in the lights stages of sleep.
睡前一杯酒可能会帮助你入睡，但是，酒精会影响你的睡眠质量。
Then they explored the various aspects of mood and their relationship to the various stages of sleep and dreaming.
接着，他们研究了情绪的不同方面和它们的睡眠和梦不同阶段的关系。
The first group took longer to enter the first of the deeper stages of sleep and spent less time in the deepest one.
结果发现，受到辐射的那组研究对象进入深度睡眠第一阶段所用的时间较长，而且深度睡眠的时间也较短。
We've mentioned that sleepwalking occurs during your deepest stages of sleep, stages 3 and 4, when brainwaves are very slow.
之前提到过梦游发生在最深度睡眠状态、也就是第三，第四阶段，这时候脑电波的频率非常低。
Sleep is part of a person's daily activity cycle. There are several different stages of sleep, and they too occur in cycles.
睡眠是人每天日常活动循环的一部分。人的睡眠分几个阶段，而这些阶段也是循环发生的。
Tononi has gotten similar results when he has delivered pulses to sleeping people - or at least people in dream-free stages of sleep.
他也对处于睡眠状态(至少不是在做梦的睡眠阶段)的人做了同样的实验。
Scientists have identified various stages of sleep, and they have found that humans can function well on very little sleep, but only if they dream.
科学家们已经可以识别不同的睡眠阶段，而且发现，人在睡眠很少的情况下，机体仍然很好的运转，但只是在睡眠时做了梦才如此。
It's known that levels of growth hormone rise during certain stages of sleep. So researchers wanted to know more about the link between sleep and growth.
据了解，成长激素会在特定的睡眠阶段上升，因此，研究人员想要更深入的了解睡眠和成长之间的关系。
As movie plots are constructed out of old movies, so does rem and other stages of sleep remix new information with old memories, forming a huge part of our identity.
正如电影情节从老电影中取材一样，REM和其他阶段的睡眠将新信息与过去的记忆揉合，形成了我们自我特征的一大部分。
Sponsored by the leading mobile phone companies, it showed that using handsets just before going to bed caused people to take longer to reach deeper stages of sleep.
由顶尖手机企业赞助，研究显示睡前使用手机致使进入深度睡眠阶段的时间明显延长。
Despite its reputation as a relaxer, alcohol keeps you in the lighter, less restorative stages of sleep, when you're likely to wake if the dog so much as sighs.
尽管它作为矫直的声誉，酒精保持了较轻的，睡眠较少恢复阶段，当你很可能会唤醒你如果这么多的叹息狗。
Troxel utilized sleep monitoring equipment to measure the patients’ length of continuous sleep, interrupted sleep, length of different stages of sleep, and body movements.
Troxel运用了睡眠监测设备来测量参与者持续睡眠的时间，被影响了的睡眠，不同状态下的睡眠时长以及肢体动作。
Troxel utilized sleep monitoring equipment to measure the patients' length of continuous sleep, interrupted sleep, length of different stages of sleep, and body movements.
Troxel运用了睡眠监测设备来测量参与者持续睡眠的时间，被影响了的睡眠，不同状态下的睡眠时长以及肢体动作。
Avoid alcoholic drinks before bedtime - it might help you to fall asleep, but keeps you in the light stages of sleep, causing you to wake up in the middle of the night.
避免在睡觉前喝酒—可能能帮助你睡着，但却使你保持在轻度睡眠阶段，使你在半夜醒来。
They found that not only do humans need less sleep than chimps, macaques and lemurs, we spend a greater percentage of our slumber in the deeper, more restorative stages of sleep.
他们发现，人类睡眠时间不仅比黑猩猩、猕猴和狐猴要少，而且更多时间是沉睡在更深、更有恢复作用的阶段。
I advise keeping the nap between 15 and 30 minutes as you want to avoid getting into deeper stages of sleep. If you do, you'll find it harder to wake and may experience the groggy feeling for a while.
我建议小睡时间保持在15—30分钟之间避免进入深度睡眠，一旦你进入深度睡眠，你会发现很难醒过来，而且醒来之后会有段时间脑袋昏昏沉沉。
We are still in the exploratory stages of this project, although what's noteworthy is that East Asians on average sleep about an hour and a half less each night than North Americans do.
我们仍然在这个项目的探索阶段，尽管值得注意的是，东亚人平均每晚比北美人少睡一个半小时。
Though it may cause you to become drowsy, alcohol fragments the stages of your sleep and makes it more disrupted.
虽然它也许会导致你昏昏欲睡，酒精打碎你的睡眠阶段，使你的睡眠更分散。
We may learn differently during different sleep stages, says German sleep expert Professor Jan Born from the University of Lübeck.
我们可能在不同睡眠阶段学习的不一样，吕贝克大学的德国睡眠专家教授简·伯恩说。
He said patients suspected of being in a non-reversible coma should be "tested 10 times" and that comas, like sleep, have different stages and need to be monitored.
他说，被疑为处于不可逆昏迷状态的患者应该“被检查十次”，昏迷，就像睡觉，有不同的阶段，需要得到监测。
Clearly sleep made a difference, but that difference didn't relate to how much time one spent in each of the various sleep stages.
很显然，睡眠会带来差异，但是这种差异与人们花在每一睡眠阶段的时间长短没有关系。
In the deeper stages of non-REM sleep brain activity is slower.
在非快速眼动睡眠期的更深层阶段，脑活动较慢一点。
In the deeper stages of non-REM sleep brain activity is slower.
在非快速眼动睡眠期的更深层阶段，脑活动较慢一点。
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