cat nap 打瞌睡，小睡

I took a cat nap. I'm OK

我小睡了一下，我OK的。

I got up at 5 this morning so I had a cat nap at mydesk after lunch.

我早上五点就起床了，所以吃完中饭后我趴在桌子上小睡了一会儿。