孩子玩玩具时睡着了。
The child ___fell ___asleep while playing with his toys.
她喝草药茶帮助晚上入睡。
She drinks herbal tea to help her ___fall ___asleep at night.
工作一整天后,我常常很快入睡。
After a long day at work, I often ___fall ___asleep quickly.