Doze off
打瞌睡
We couldn't help but doze off during his lecture.
他演讲时我们控制不住的打瞌睡。

Do not sleep a wink
一夜未眠
For three whole days and nights he did not have a wink of sleep.
他三天三夜没睡一觉。
Hit the sack
倒头就睡
Man, I'm beat. I'm going to hit the sack.
天啊,我累死了。我要去睡觉了。

Catch up on some sleep
补觉
What’s wrong with you, it’s just 5:30 in the morning! I need to catch up on some sleep.
现在才早上5:30,干嘛叫醒我,我还要睡!
Wake up naturally without alarm clock
自然醒
My biggest dream in recently is wake up naturally without alarm clock
我最近最想做的事,就是可以睡到自然醒

Sleep tight /Sweet dreams
做个好梦
Call her at night to wish her sweet dreams.
晚上给她打电话,祝她好梦!
打瞌睡
We couldn't help but doze off during his lecture.
他演讲时我们控制不住的打瞌睡。

Do not sleep a wink
一夜未眠
For three whole days and nights he did not have a wink of sleep.
他三天三夜没睡一觉。
Hit the sack
倒头就睡
Man, I'm beat. I'm going to hit the sack.
天啊,我累死了。我要去睡觉了。

Catch up on some sleep
补觉
What’s wrong with you, it’s just 5:30 in the morning! I need to catch up on some sleep.
现在才早上5:30,干嘛叫醒我,我还要睡!
Wake up naturally without alarm clock
自然醒
My biggest dream in recently is wake up naturally without alarm clock
我最近最想做的事,就是可以睡到自然醒

Sleep tight /Sweet dreams
做个好梦
Call her at night to wish her sweet dreams.
晚上给她打电话,祝她好梦!