The Pokémon's insomnia prevents it from falling asleep.
This Pokémon cannot be asleep. This causes rest to fail altogether. If a Pokémon is asleep and acquires this ability, it will immediately wake up; this includes when regaining a lost ability upon leaving battle. This ability functions identically to vital spirit in battle.
17 Pokemon can have this ability
Showing 17 of 17 Pokemon
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