Ability profile
Insomnia Pokemon Ability
Generation
Generation III
Pokémon with ability
24
Effect
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.
Flavor text
Prevents sleep.
Quick summary
Insomnia is a main-series ability from Generation III. Open species profiles below to see typings, moves, and community fan rank where available.
Battle context
Generation debut
Generation III
Insomnia first appeared in Generation III. Compare how newer releases reuse or power up the effect when building themed teams.
Main series
Yes
Insomnia is used in main-series battles and links to 24 species profiles below.
24 Pokémon can have Insomnia in the official dataset.
Fan favorite hub
See which fan favorites share this ability
Open linked Pokémon profiles to view community rank and save counts — context a plain ability listing cannot show.
Put reference data to work
Jump from encyclopedia pages into favorite-pokemon tools.