毕竟尤其是在适应期，我们并不是想剥夺所有的睡眠和休息的时间。如何拥有足够的眼动睡眠才是我们的目的。

Remember - the goal isn't to deprive yourself of all sleep and rest, just REM sleep, and only until the adaptation takes hold.

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我们睡眠最好的时间是在九岁和初潮期。

“The best sleep we ever get is between age nine and menarchy, ” she adds ruefully.

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2期非REM睡眠的时间越长，受试者表现越好。 2期非REM睡眠是比较浅的无梦睡眠时间。

But the greater the amount of stage 2 non-REM sleep, a lighter form of non-dreaming sleep, the better their performance, he found.

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