Sleepwalking happens during deep sleep.
梦游发生在深度睡眠期间。
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。
During stages three and four (often called "deep sleep") , it is very hard to wake up a person.
在第三和第四阶段（通常称为“深度睡眠”），这时唤醒一个人是很难的。
It was specifically observed that the left side of the brain was more active during deep sleep.
人们特别注意到，在深度睡眠时，左脑更加活跃。
During deep sleep, the participants' brains behaved in a similar manner seen in birds and dolphins.
深度睡眠时，参与者的大脑表现与鸟类、海豚相似。
When the researchers repeated the laboratory experiment on the second and third nights they found the left hemisphere could not be stimulated in the same way during deep sleep.
当研究人员在第二和第三晚重复实验室里的实验时，他们发现在深度睡眠时左脑不能以同样的方式受到刺激。
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。
Because milk is rich in the amino acid tryptophan, it can sometimes aid in deep sleep.
因为牛奶富含色氨酸，在一些情况下它有助于你进入深度睡眠。
They searched for it in three areas of the brain known to be associated with deep sleep.
他们在家鼠大脑的三个与深沉睡眠有关的部位找寻了此蛋白的存在.
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。
The frequent interruptions of deep sleep leads to excessive daytime fatigue and sleepiness.
这样频繁的打断睡眠会导致白天额外的疲劳和困倦。
That night he did everything he could to keep the Gecko out of his room. He fell into a deep sleep.
那天晚上他想尽了办法才把壁虎挡在房门外，随后就沉沉的睡去了。
Try to implement one or more together and you'll get better sleeping patterns, deep sleep and body rest.
按照其中一个方法做或多个方法同时试着去做看看，你的睡眠模式就会渐入佳境了，深睡眠然后身体得到休息。
Therefore, it will be essential to better understand the mechanisms leading to the loss of deep sleep.
所以必须很好理解造成丧失熟睡的心理作用机理。
The brain is resistant to arousal during deep sleep, which explains why it's difficult to wake a sleepwalker.
深度睡眠时大脑对外界的激励有抵抗力，这解释了为什么很难叫醒梦游者。
Whether or not most of us are aware of the state of deep sleep, it functions to restore us physically and mentally.
无论我们对深睡眠状态了解多少，它都在帮助我们恢复体力和精力。
The best way I feel is to open your Windows and curtains, and allow natural light to lift your from your deep sleep.
我觉得最好的办法是打开你的窗户和窗帘，让自然的光亮将你从深度睡眠中唤醒。
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。
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。
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。
It is very difficult to awaken a person in deep sleep, and children in this state may be nearly impossible to wake up.
处在深睡眠状态的人极难被唤醒，如果是儿童进入这种状态，唤醒他们几乎是不可能的任务。
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。
It claims that radiation from the handset can cause insomnia and headaches as well as cutting the time spent in deep sleep.
该研究称，手机产生的辐射会导致失眠和头痛，而且会缩短深度睡眠的时间。
Boosted by deep sleep, an improved memory may have yet one more benefit: helping you imagine-and better plan for-the future.
由深度睡眠激发改善的记忆力还有另一个好处：让人想象——并且更好计划——未来。
Boosted by deep sleep, an improved memory may have yet one more benefit: helping you imagine-and better plan for-the future.
由深度睡眠激发改善的记忆力还有另一个好处：让人想象——并且更好计划——未来。
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