Looking on the internet deeply has found these results:

have a good night's sleep is the most popular phrase on the web.

have good night's sleep 1580,000 results on the web	have a good night's sleep 1798,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It's time for the Sandman to finally have a good night's sleep. If you doubt that, then shoot me, take that money and have a good night's sleep. and please watch over us, and bless that we'll have a good night's sleep. Hoist up a few more, have a good night's sleep. You folks have a good night's sleep. I know just what to fix you so you can have a good night's sleep. Now, everyone go home and have a good night's sleep. It's time for the Sandman to finally have a good night's sleep.	and please watch over us, and bless that we'll have a good night's sleep. If you doubt that, then shoot me, take that money and have a good night's sleep. Now, everyone go home and have a good night's sleep. It's time for the Sandman to finally have a good night's sleep. It's time for the Sandman to finally have a good night's sleep. Hoist up a few more, have a good night's sleep. I know just what to fix you so you can have a good night's sleep. You folks have a good night's sleep.

have good night's sleep

1580,000 results on the web

have a good night's sleep

1798,000 results on the web

More popular!

It's time for the Sandman to finally have a good night's sleep.
If you doubt that, then shoot me, take that money and have a good night's sleep.
and please watch over us, and bless that we'll have a good night's sleep.
Hoist up a few more, have a good night's sleep.
You folks have a good night's sleep.
I know just what to fix you so you can have a good night's sleep.
Now, everyone go home and have a good night's sleep.
It's time for the Sandman to finally have a good night's sleep.

and please watch over us, and bless that we'll have a good night's sleep.
If you doubt that, then shoot me, take that money and have a good night's sleep.
Now, everyone go home and have a good night's sleep.
It's time for the Sandman to finally have a good night's sleep.
It's time for the Sandman to finally have a good night's sleep.
Hoist up a few more, have a good night's sleep.
I know just what to fix you so you can have a good night's sleep.
You folks have a good night's sleep.