sleeps

sleep, get to sleep, go to bed

这三者在意思上有所区别：sleep意为“睡着,入睡”; get to sleep意为“设法睡着”; go to bed意为“上床,就寝”。例如:

I have slept for seven hours.我睡了7个小时了。

I couldn't get to sleep last night.昨天晚上我无法入睡。

I usually go to bed at ten.我通常10点就寝。

sleep late, go to bed late

这两个短语在意思上有所差别：前者表示“起床晚”; 后者表示“睡得迟”。例如:

He often sleeps late.他时常很晚才起床。

I often go to bed late.我时常很晚才就寝。

sleep, fall asleep

这两个词(组)共同的意思是“睡着,入睡”。它们的区别是：

前者含有“持续”的意义,而后者则是表示一时的动作。例如:

I have slept for seven hours.我已睡了7个小时了。

Bob was so tired that he fell asleep the moment his head touched the pillow.鲍勃累极了,一碰到枕头就睡着了。