By nodding their head
In Berber, you can say "tanemirt" to say goodnight.
You can say "lafi" to say goodnight in Mandinka.
goodnight
goodnight!
"Goodnight".
In Fulani, you can say "Jaama wolof" to say goodnight.
The most famous book with dinosaurs may be "Jurassic Park," which inspired the popular 1993 film of the same name. Other famous books include Jane Yolen's "How Do Dinosaurs Say Goodnight?" and "National Geographic Little Kids First Big Book of Dinosaurs."
In Pangasinan, you can say "napagtolak" to mean goodnight.
This question is subjective, of course. But her most popular books are probably: Owl Moon How Do Dinosaurs Say Goodnight and Devil's Arithmetic
In British English, you can say "goodnight" or "night" as a shorter version.
shab bekheyr
In Polish, you say "dobranoc" to wish someone goodnight.