Definition: a period of sleeping Level: B1
开了那么久的车，你一定累了——为什么不小睡一会儿？
You must be tired after all that driving - why don't you have a little ___sleep?
他陷入了沉睡。
He fell into a deep ___sleep.
我不知道该怎么办，所以去睡了一觉。
I didn't know what to do, so I went for a ___sleep.
