The brain is as active during REM (rapid eye movement) sleep when most vivid dreams occur as it is when fully awake, says Dr. Eric Nofzinger at the University of Pittsburgh.
匹兹堡大学的艾瑞克·诺夫辛格博士说，大脑在快速眼动睡眠期和完全清醒时一样活跃，大多数最生动的梦都发生在这个时候。
The man answered, "Well, I can sleep when the wind blows."
那人回答说：“嗯，起风的时候我也可以睡着。”
The man said, "No, sir. I've already told you I can sleep when the wind blows."
这个人说：“不，先生，我已经告诉过你，起风的时候我可以睡着。”
Don't over-sleep when power-napping, it will only make you feel groggy
不要过度嗜睡——会造成你整日无力的状态；
Additionally we should put our machines to sleep when we're not using them.
另外，我们应该在不使用计算机时使其休眠。
You don't get much sleep when the cold and wet are invading every inch of your body.
当寒冷和潮湿浸透你身体的每一寸肌肤时又怎能睡好。
You don’t get much sleep when the cold and wet are invading every inch of your body.
当寒冷和潮湿浸透你身体的每一寸肌肤时又怎能睡好。
This makes it tough to follow the first rule of having a newborn: sleep when the baby sleeps.
这使得你难以按照育儿的第一条规则去做：孩子睡，我们睡。
Your body is hardwired to wake up when light is bright and go to sleep when it gets dark.
身体的清醒度与光线息息相关，当天亮了我们会醒来，反之我们就会想睡觉。
The little man rolled over in bed and said firmly, "No sir. I told you, I can sleep when the wind blows."
那个矮个男人在床上翻了一下身，平静地说道：“不，先生，我告诉过你，刮风的时候我可以睡觉。”
It's not uncommon to have inadequate amount of sleep when we are rushing a project or clearing backlogs from work.
当我们要赶项目，要完成积压的工作，睡眠不足是常事。
This mechanism probably evolved to make sure starving mammals don\\\\\\\'t go to sleep when they should be foraging for food.
这种机制可能是为了确保饥饿的哺乳动物不要在该去觅食的时候沉沉睡去。
If you have trouble getting to sleep when you first go to bed, eat a high-carbohydrate meal two to four hours before bedtime.
如果你在刚开始睡觉时就难以入睡，在睡前2到4小时内摄入高碳水化合物的食物。
How can I get 7-8 hours of sleep when I'm with my kids from the moment I arrive home, and I need some time for myself before bed?
当我回到家里，和孩子们在一起的时候，如何保证7 - 8小时的睡眠，并且在睡觉之前有一些自己的时间？
Embrace the idiosyncrasies of your schedule – You’re going to have weird days and odd things that help you sleep when you’re feeling stressed.
对你计划之中的这些个怪癖乐观些。你即将拥有奇特的生活、经历古怪的事情，而这些会让你在压力之下也有不错的睡眠。
Studies have also found that people who work night shifts have higher rates of mood disorders compared to people who sleep when their bodies are supposed to sleep.
研究也发现，上夜班得人神经紊乱的几率要比那些正常入睡的人高。
Physical exercise is a somewhat grayer area than sleep when it comes to memory, but there seems to be a reasonable body of evidence suggesting that physical fitness and cognitive fitness are linked.
就记忆而言，相较于睡眠，体育锻炼是个灰色地带，但似乎有大量的有力的证据证明匀称的体态和良好的认识能力是有联系的。
When we sleep below six hours per we're at an increased risk of health problems.
当我们每小时睡眠不足6小时，就会有增加我们健康问题的风险。
When we sleep, for example, the saliva stream slows, and sulfur producing bacteria gain the upper hand, producing classic "morning breath".
例如，当我们睡觉时，唾液流变慢，产生硫的细菌占上风，便会产生典型的“晨起口臭”。
If you do climb higher sooner, come back down to a lower height when you sleep.
如果你真的很快爬到了更高的地方，那就在你睡觉的时候回到较低的高度。
When you sleep through the alarm or simply need an extra 10 minutes, you can just pluck it off the hanger and go.
当你睡着一直没听见闹钟，或者只是需要多睡10分钟的时候，你可以把闹钟从衣架上拿下来就走。
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。
Half of your brain stays alert and prepared for danger when you sleep in a new place, a study has revealed.
一项研究表明，当你在一个陌生的地方睡觉时，你的半边大脑会保持警觉并做好准备防范危险。
When she did sleep, she experienced "problem-solving dreams", which left her feeling unrested when she woke up.
当她真的入睡时，她会做“解决问题的梦”，这让她在醒来时感觉没有得到休息。
When sleep is compared with wakefulness, and performance is better after sleep, then some benefit of sleep for memory must be acknowledged.
如果把睡觉和不睡觉进行比较，我们会发现睡觉后的表现更好，那么就必须承认睡眠对记忆的一些好处。
Dolphins, as well as other marine animals, shut down one hemisphere of the brain when they go to sleep.
海豚，还有其他一些海洋动物，它们睡眠时会关闭大脑的一个半球。
Dolphins, as well as other marine animals, shut down one hemisphere of the brain when they go to sleep.
海豚，还有其他一些海洋动物，它们睡眠时会关闭大脑的一个半球。
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