我们的大脑似乎对此很清楚，在我们进入睡眠时不断练习对危急情况的反应。

Our brains seem to know this and practice responding to threatening situations while we sleep.

youdao

我们想知道在酷热环境下如何最快进入睡眠，想知道为什么会突然醒来，还想知道哄孩子睡觉的最好方式。

We want to know how best to fall asleep during a heatwave. We want to know why we wake up when we do. And of course we want to know how best to get our children to sleep.

youdao

我们想知道在酷热环境下如何最快进入睡眠，想知道为什么会突然醒来，还想知道哄孩子睡觉的最好方式。

We want to know how best to fall asleep during a heatwave. We want to know why we wake up when we do. And of course we want to know how best to get our children to sleep.

youdao