You can say "tenha uma boa noite".
"Boa Noite" You must use "BOA NOITE" for "good evening" or "good night", too.
Subho ratri............But that is beyond formal.....We just say GoodNight in daily conversation.
"Goodnight" would be the most common way. This is sometimes shortened to "G'night".
Aloha po
You would say, "Good night,I love you".
Boa noite, linda (for female beautiful)
"Boa Noite" You must use "BOA NOITE" for "good evening" or "good night", too.
boa noite mulher bonita
You can say "lafi" to say goodnight in Mandinka.
In Berber, you can say "tanemirt" to say goodnight.
goodnight
goodnight!
"Goodnight".
In Fulani, you can say "Jaama wolof" to say goodnight.
In Pangasinan, you can say "napagtolak" to mean goodnight.
In British English, you can say "goodnight" or "night" as a shorter version.
"Shab bekheir" is how you say goodnight in Farsi.