What do pterodactyls sleep in?

Did humans live at the time of the dinosaurs? How do you get the screaming death dragon in school of dragons? How do you get a unicorn in monster park? Did dinosaur roamed the earth for appoximately 165 million years? How do you use cretaceous- tertiary extinction in a sentence? Do a certain dinosaur have spikes on its tail? Does sprite effect teeth? How old are the characters from Lego chima? How many feet long was triceratops? Which birds are most closely related to dinosaurs? What is Denduron in Pendragon? Can a dinosaur break plexiglass? What is the food chain for the trilobite? When did the dimetrodon went extinct? What will win in a fight a two-headed dinosaur or a robotic Bigfoot? When dinosaurs sleep do they lay down or stand up? What are good websites to find facts about pterodactyls? Sound quit working on Kota the Triceratops? How do triceratops change color? Are all dinosaur reptials?