实际上当你知道你需要记住一些特别的信息时大脑在睡眠中更加活跃。
The brain is actually more active during sleep when you know you need to remember particular information.
这一，而不便，通常每一个工程的时间，如果你迫切需要的一些睡眠它可以是一个天赐良机。
This one, while inconvenient, usually works every time, and if you desperately need some sleep it can be a godsend.
这篇文章会帮助你回顾一下你的“睡眠卫生学”（指的是你睡觉之前和当中需要做的一些事情）并告诉你一些方法来改善睡眠。
This article will help you review your "sleep hygiene" (a term used to denote what you do before and during your sleep) and suggest ways for you to improve it.
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