a cat nap 打瞌睡；打个盹儿；打个小盹

【例句】
I'm going to try to squeeze in a cat nap before my next shift starts.
下回轮班前我要挤时间打个盹儿。

I was up late last night so I had a cat nap at my desk today.
我昨天晚上起晚了，所以今天我趴在桌子上小睡了一会儿。