英语睡眠

Deep sleep 沉睡
Cat nap 猫午睡
Insomnia 失眠
Insomniac 失眠症
Night

owl 夜猫子
Early bird. 早起的鸟儿

I'm an early bird.
I'm a night owl.
He's an insomniac.
I have insomnia. Can't sleep.
I had a deep, refreshing sleep last night.
I just woke up from a quick cat nap.
Just had a refreshing nap. Feels great.