He wants to have a good sleep after a day's work.
在一天的工作之后，他想好好睡上一觉。
He needed to have a good sleep at once.
他只是困，需要马上睡觉。
I decided to have a good sleep at home.
我决定在家好好地睡个觉。
You should stay in bed and have a good sleep.
你应该呆在床上睡个好睡。
I gotta go home and have a good sleep.
我得回家好好睡一觉。