FusionDex

Drowile hang around buildings where many people sleep. They leave the large jaws on their head open, siphoning and feasting on the dreams of those nearby. People affected by Drowile's dream-eating are often left lethargic and dizzy.

Its giant jaws are actually steel horns that transformed. If your nose becomes itchy while you are sleeping, it's a sure sign that a Drowile is standing above your pillow and trying to eat your dream through your nostrils.