Once we were asked to watch a video on how to operate the punches, all of us seemed to fall into sleep by the end of the video.
有一次我们被叫去看一个关于如何操作机床的视频，视频结束的时候我们所有人好像要睡着了。
Most people are not aware that caffeine has a half life of up to eight hours and can affect not only your ability to fall asleep, but also the quality of sleep you are getting.
大多数人都不知道，咖啡因有一个长达八小时的半衰期，不仅会影响你的入睡能力，而且还会影响你的睡眠质量。
Many people sleep with a notepad on a bed table because important ideas always strike while you're trying to fall asleep.
很多人都会在床头桌上放个笔记本，因为很多时候，一些重要的想法总是在睡前跳到你的脑海。
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