If it is not a question of resting the body, then perhaps it is the brain that needs resting?

如果睡眠的功能不是在于使身体得到休息，那么也许是让大脑得以休息？

We need to rest our bodies and our minds.

我们需要让身体和思想得到休息。

And always make sure that you give your body the rest that it needs.

并始终确保为您的身体提供所需的休息。

Suddenly, muddy water came rushing in, pushing their resting bodies against the wall of the burrow, and killing them.

突然， 泥水涌了进来，将他们休息的身体推到洞穴的墙壁上，杀死了他们。

There are two kinds of sleep, active sleep and passive sleep. The passive sleep gives our body the rest that is needed, and prepares us for active sleep in which dreaming occurs.

主动睡眠和被动睡眠。被动睡眠可以让我们的身体得到所需要的休息，并且为我们进入主动睡眠做好准备。做梦就是在主动睡眠阶段。