Sleep well tonight.

Meaning: This means that you are wishing someone to have a restful and peaceful sleep tonight. It's like saying, I hope you have a good sleep tonight.

Choice of Words: Sleep is a state of rest where you are unconscious. Well means in a good or satisfactory way. Tonight means this night or the current night. So, 'Sleep well tonight' is a wish for someone to have a good sleep tonight.

Alternative Expressions

Related Expressions