fall asleep例句

As we fall asleep the amplitude of brain waves slowly becomes greater.
进入睡眠状态时，我们的脑电波振幅慢慢变大。

After changing the bed, I would fall asleep quickly.
换了床单，我很快就能睡着。

He was wont to fall asleep after supper.
他老是吃完晚饭就打盹。