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):
In Haitian Creole, "goodnight" is said as "bonnuit".
In Haitian Creole, "friend" is pronounced as "zanmi".
You would say "Pale Kreyòl" in Haitian Creole to mean "speak Creole."
"Shab bekheir" is how you say goodnight in Farsi.
In Polish, you say "dobranoc" to wish someone goodnight.
"Maman" is how you say mom in Haitian Creole.
boa noite
In Haitian Creole, "friend" is pronounced as "zanmi".
goodnight
goodnight!
"Goodnight".
In British English, you can say "goodnight" or "night" as a shorter version.
we say "pou tojou" in creole
You would say "Pale Kreyòl" in Haitian Creole to mean "speak Creole."
In Sondhi, you can say "ດີ່ນກັນ" (dien kan) to say goodnight.
this is winter in creole-Kiuisf
Goodnight amica mea
goodnight is "bonne nuit" in France.