She only sleeps for four hours a night.

Can I sleep over at my friend's house?

我能不能在朋友家过夜？

I'm going take the dog down to the vet's and have her put to sleep.

我要把小狗带到兽医那里，让她安乐死。

I didn't get much sleep last night.

昨晚我没睡好。

I know he's going out with her, but I don't think they're sleeping together.

我知道他跟她在谈恋爱，不过我想他们还不至于上床吧。

They were exhausted from lack of sleep...

由于缺乏睡眠，他们非常疲惫。

Goodnight, sleep tight!

晚安，睡个好觉！

I couldn't sleep because of the noise.

嘈杂声吵得我睡不着。

I slept at my sister's house last night (= stayed the night there) .

昨晚我住在妹妹家了。

I need to get some sleep .

我得睡一会儿。

Let's leave him to sleep it off .

咱们让他睡吧，一觉醒来就没事了。

Could I sleep on it and let you know tomorrow?

能不能让我晚上考虑考虑，明天答复你？

I had to sleep on the sofa.

我只得睡在沙发上。

Try and get some sleep...

试着睡一会儿。

During the car journey, the baby slept...

坐车来的路上，宝宝睡着了。

It's very late now─why don't you sleep over?

现在已经很晚了——为什么不就睡这儿呢？

to sleep well/deeply/soundly/badly

睡得好；沉睡；酣睡；睡得不好

What are our sleeping arrangements here (= where shall we sleep) ?

我们在这儿睡觉是怎么安排的？

I put the sleeping baby down gently.

我把睡着的宝宝轻轻放下。

I've not been able to sleep for the last few nights.

前几个晚上，我一直都无法入睡。

We sometimes sleep late at the weekends (= until late in the morning) .

周末我们有时候睡懒觉。