He wants to have a good sleep after a day's work.

　　在一天的工作之后，他想好好睡上一覺。

　　He needed to have a good sleep at once.

　　他只是困，需要馬上睡覺。

　　I decided to have a good sleep at home.

　　我決定在家好好地睡個覺。

　　You should stay in bed and have a good sleep.

　　你應該呆在床上睡個好睡。

　　I gotta go home and have a good sleep.

　　我得回家好好睡一覺。