睡覺的單詞怎麼寫

I sleep with the window open unless it's really cold.

天氣若不很冷，我總開着窗戶睡覺。

He works at night and sleeps during the day.

他晚上幹活，白天睡覺。

How long can a human being go without sleep?

人不睡覺能活多久？

He took a long time getting to sleep that night.

他那天晚上過了好長時間才睡着。

You'll feel better for a good night's sleep.

你晚上睡個好覺就會覺得好些。