Let's leave him to sleep it off.

咱们让他睡吧，一觉醒来就没事了。

《牛津词典》

Give your body the sleep it wants.

给予你的身体它想要的睡眠。

youdao

This sleep of mine, whatever sleep it is.

我的睡眠，不管这是否算得上睡觉。

youdao

It says they should be placed on a separate sleep surface from their parents,without blankets, pillows or other soft bedding.

VOA: special.2009.08.26

It has to be said that the young Milton lost a lot of sleep over this passage.

必须说的是,年轻的弥尔顿为了这些文章放弃了很多睡眠。

耶鲁公开课 - 弥尔顿课程节选

I like the idea of... after seeing that movie, it makes you afraid to go home and go to sleep,

看完那部电影后，我就喜欢上了那种创作，它让观众不敢回家上床睡觉，

要成为导演 - SpeakingMax英语口语达人

Perhaps that is why the sponsors choose Thursday to host their media lunch, so that anyone who takes advantage of too much free wine can sleep it off later without missing much action.

BBC: Crucible diary Day 13

San'ya has aged with its residents, old men with creased faces and missing teeth who squat and smoke on the pavements, drift from bar to bar, or sleep it off in the winter sun on cardboard and plastic matting.

ECONOMIST: Old, down and out in Japan

In the same way, they hibernate by going into torpor, they can do the same thing on a very short-term basis through the summer - if it is wet and windy and there is no food then they just shut down their body temperature and they just sleep it out.

BBC: Yorkshire bat colonies 'cohabit all year'