他要是睡眠不足动不动就发脾气。
科林迷迷糊糊地进入断断续续的睡眠中。
长途飞行使我的睡眠习惯给打乱了好几天。
Long flights throw my sleeping pattern out of kilter for days.
还有数百万人由于工作时数长导致他们严重睡眠不足。
Millions more suffer from serious sleep deprivation caused by long work hours.
使这个问题进一步复杂化的是，人们感觉愉快的睡眠时间相差很大。
To further confuse the issue, there is an enormous variation in the amount of sleep people feel happy with.
3周后，他们把睡眠时间逐渐缩短到8小时。但是另一件有趣的事发生了。
After three weeks, they gradually reduced their sleep to about eight hours. But another interesting thing happened.
科学家们已经发现了非同寻常的新证据，证明睡眠时我们的身体如何自行恢复。
Scientists have discovered remarkable new evidence showing how the body rebuilds itself while we sleep.
梦见学过的东西会影响睡眠。
安眠药可以帮助你进入睡眠。
他改变了一些睡眠习惯。
首先，睡眠者在半梦半醒及不同调节机制之间转换时进入睡眠状态，呼吸可能短暂地停止或减少。
First, there may be a brief cessation or reduction of breathing when falling asleep as the sleeper waxes and wanes between sleep and wakefulness and their differing control mechanisms.
用咖啡代替睡眠可能会导致睡眠问题。
Using coffee instead of sleeping might lead to sleep problem.
拥有规律的睡眠。
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。
Your body needs to experience all three steps of sleep—light sleep, dream, and deep sleep—to fully repair itself.
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。
It usually happens in the first few hours of sleep in the period called deep sleep.
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。
Over time, not having enough sleep—especially deep and REM sleep—can cause one to become sick more easily.
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。
We experience some deep, quiet sleep and some active sleep, which is when dreams happen.
年龄越大，所需睡眠就越少。
梦游发生在深度睡眠期间。
睡眠不足有害健康。
世界睡眠协会称：“睡眠问题危及世界上45%的人口的健康和生活质量。”
"Sleep problems endanger health and quality of life for up to 45% of the world's population," according to the World Sleep Society.
它让我们感到快乐、睡眠更好。
睡眠荷尔蒙褪黑素在夜间开始分泌。
良好的健康需要良好的睡眠。
充足的睡眠对我们很重要。
专家相信，睡眠就像食物和水。
多年来，人们认为睡眠无关紧要，且睡眠状态中人的大脑是不活跃的。
For years, people thought that sleep was unimportant and inactive.
睡眠可以帮助身体修复疲劳的组织。
你必须要有规律良好的睡眠。
睡眠是一个热门话题。
应用推荐