Your application sits idle, anxiously waiting for the user to send in a request. It passes back the response and then goes back to sleep until the next call.

您的应用程序是不是很空闲，焦虑地等待用户发送请求，然后它传回响应，再返回休眠状态，直到下次调用。

youdao

And soon I shall go to sleep, and die as they call it, but I shall wake up with beautiful wings to fly with, like a butterfly.

但是当我醒来就会拥有美丽的翅膀去飞，就像一个蝴蝶。

youdao

And they will study whether it is involving in controlling sleep quantity alone, or also what scientists call the "wakefulness-behavioral drive."

VOA: special.2009.08.26