Completely blind, Woobzee use their keen sense of smell to locate sleeping individuals in order to feast on their dreams. Those whose dreams have been eaten by these Pokémon will awake to find a heart-shaped mark on their foreheads.
If your nose becomes itchy while you are sleeping, it's a sure sign that a Woobzee is standing above your pillow and trying to eat your dream through your nostrils. Suction from its nostrils enables it to stick to cave walls during sleep.
