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If you go to bed feeling fine and wake up with a cold, there's a good chance Drowper has visited you in the night. It uses the energy it harnesses from dreams to help frail Pokémon stay warm on cold nights.

POKENAME usually live in water but come out onto land seeking food occasionally. If your nose becomes itchy while you are sleeping, it's a sure sign that a POKENAME is standing above your pillow and trying to eat your dream through your nostrils.