Your body needs to experience all three steps of sleep—light sleep, dream, and deep sleep—to fully repair itself.
你的身体需要经历睡眠的三个步骤——浅睡眠、做梦和深睡眠——从而进行完全的自我修复。
We experience some deep, quiet sleep and some active sleep, which is when dreams happen.
我们会经历一些深层且安静的睡眠以及一些活跃的睡眠，而活跃的睡眠时期正是做梦的时候。
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。
It usually happens in the first few hours of sleep in the period called deep sleep.
它通常发生在睡眠的最初几个小时，这个阶段被称为深度睡眠阶段。
Numerous studies have found that valerian improves deep sleep, speed of falling asleep, and overall quality of sleep.
大量研究已经发现缬草改善深度睡眠，提高入睡的速度和睡眠的整体质量。
Alcohol keeps your body from entering deep sleep, so even if you get the same hours of sleep, you won’t feel as rested.
酒精会让你无法进入深度睡眠。所以就算你酒后睡了足够的时间，你也不会感到你休息过。
If your woken from deep sleep but can go back into a light sleep, you will find it easier to wake from a light sleep.
如果你从深度睡眠中醒来了，但可以重新回到轻度睡眠中，你会发现从轻度睡眠中醒来更容易。
A study in Sweden and the United States found that people using a cell phone before bedtime take longer to get into deep sleep and spend less time in the deepest part of sleep.
瑞典和美国研究人员一项最新研究发现，如果睡前使用手机，使用者可能要花更长时间才能进入深度睡眠状态，其深度睡眠时间也会缩短。
Deep sleep is associated with slow brain waves, and larks spent 50% more time in such slow-wave sleep than owls did.
睡眠之深与否与慢波有关，而百灵鸟型处于慢波睡眠的时间比夜猫子型多50%甚至更多。
The brain activity data collected from the volunteers in the sleep group showed that deep sleep (slow-wave sleep) helped strengthen their memories of new words.
从睡觉的那一组志愿者那里收集来的大脑活动的数据表明，深度睡眠(短波睡眠)帮助他们巩固了对词汇的记忆。
In between cycles of REM sleep, we have non-REM sleep, which includes deep or 'slow-wave' sleep.
在快速眼动睡眠周期之间，我们还有非快速眼动睡眠，包括深度睡眠和慢波期睡眠。
Also, the amount of light sleep increases with age, and the amount of deep sleep is reduced.
同样，轻度睡眠也随着年龄的增加而增加，深度睡眠则相反。
He explains that while deep sleep is characterized by very regular breathing with minimal variations, REM sleep (the phase during which we dream) has a much more erratic breathing pattern.
深度的睡眠表现为伴随着细微变化的非常均匀的呼吸，而REM睡眠(我们做梦时的睡眠模式)的呼吸模式则相对不稳定。
People often think that alcohol helps sleep, but it actually robs you of deep sleep, which is essential for feeling well rested.
人们通常会想酒精有助于睡眠，但酒精通常会把酣睡从你那偷走，而酣睡对休息好来说是至关重要的。
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。
You may or may not be aware of waking during the night, but restless leg syndrome causes sleep problems by preventing deep, restful sleep.
在白天醒来的时候你可能会意识到，也可能意识不到这种现象，但是通过妨碍你进入深层的安稳的睡眠，不宁腿综合症会引发睡眠问题。
This could be because slow-wave, or ‘deep sleep’, benefits women more than men, the Associated Professional Sleep Societies’ annual conference heard.
这种现象的原因是，女性要比男性更容易从慢波睡眠，也就是“深度睡眠”中获得休息，科学家们在联合专业睡眠协会的年度会议上发布了这一消息。
Instead of trying to figure out your motion patterns, Gentle Alarm takes a statistical approach: near the end of the night, light sleep and deep sleep alternate every 30 minutes or so.
因此，GentleAlarm并非通过您的动作来测算您的睡眠状态，而是根据的统计结果：在夜幕即将结束的时候，浅睡眠阶段与深睡眠阶段约每30分钟交替一次。
However, the new drug, Xyrem puts Claire into a deep sleep for three-and-a-half hours so she must take a second dose in the middle of the night to get a full seven hours sleep.
然而，新型药物“Xyrem”可以让克莱尔处于深度睡眠，连续睡上三个半小时，所以在半夜她要再吃上一次药，保证自己可以有7个小时的深度睡眠。
Most of usdrift from our waking lives into predictable cycles of deep, non-REM sleep, followed by dream-filled rapid-eye-movement (REM) sleep.
我们大多数人会从清醒状态转入预料中的周期：深度非快速动眼睡眠（non-REM），之后是充满梦境的快速动眼（REM）睡眠。
In young men, "deep sleep" represents 10 to 20 per cent of total sleep.
年轻男子“熟睡”占整个睡眠的百分之十到百分之二十。
They found that success in learning correlated with the amount of stage-2 non rapid eye movement (NREM) sleep, the stage preceding deep rapid eye movement (REM) sleep.
他们发现学习上的成功和第二阶段非快速眼动（NREM）相关。 NREM是深快速眼动（REM）睡眠之前的阶段。
Rocking also increased deep-sleep-associated brain activity—so-called slow oscillations as well as bursts of action called sleep spindles.
检测也发现摇晃还增加了深度睡眠阶段的大脑活动，即大脑慢速震动或者大脑纺锤波。
Conclusion: Patients with OSAHS have obvious deprivation of deep and REM sleep; CPAP make it recover in some degree that disorder sleep structure and broken sleep proceeding.
结论：OSAHS有明显的深睡眠及REM睡眠剥夺，CPAP治疗能使紊乱的睡眠结构及破碎的睡眠进程得到一定程度的恢复。
Conclusion: Patients with OSAHS have obvious deprivation of deep and REM sleep; CPAP make it recover in some degree that disorder sleep structure and broken sleep proceeding.
结论：OSAHS有明显的深睡眠及REM睡眠剥夺，CPAP治疗能使紊乱的睡眠结构及破碎的睡眠进程得到一定程度的恢复。
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