There's actually no such language as "Creole". The word creole refers to a type of language that results from the combination of two completely different parent languages. There are more than 100 different creolized languages in the world, so you would have to specify which one you're talking about.
If you're not sure, here is a list of the most commonly spoken Creoles in the world (one of them is even an official language):
You can say "lafi" to say goodnight in Mandinka.
In Berber, you can say "tanemirt" to say goodnight.
Depends of which creole. In Martiniquean Creole and in Guadeloupean Creole, we say "zanmi".
In Fulani, you can say "Jaama wolof" to say goodnight.
In Pangasinan, you can say "napagtolak" to mean goodnight.
boa noite
gute nachte
Goodnight Mom and Dad: bonne nuit maman et papa
You can say "lafi" to say goodnight in Mandinka.
In Berber, you can say "tanemirt" to say goodnight.
Depends of which creole. In Martiniquean Creole and in Guadeloupean Creole, we say "zanmi".
goodnight
"Goodnight".
goodnight!
In Fulani, you can say "Jaama wolof" to say goodnight.
In Pangasinan, you can say "napagtolak" to mean goodnight.
we say "Ou palé Kréyòl?" in creole (informal) Or We say: Eske ou pale Kreyol? (formal)