Insomnia (Ability)

Insomnia	ふみん
	Insomnia
Flavor text Generation III Prevents sleep. Generation IV Prevents the Pokémon from falling asleep. Generation V Prevents the Pokémon from falling asleep.

Insomnia (Japanese: ふみん Insomnia) is an Ability introduced in Generation III. Eleven Pokémon can have this Ability. It is one of two Abilities that prevent sleeping (the other is Vital Spirit).

Effect

In battle

Insomnia prevents Sleep by either the opponent or themselves. If a Pokémon with Insomnia uses Rest, it will automatically fail.

Outside of battle

Insomnia has no effect outside of battle.

Pokémon with Insomnia

#	Pokémon	Types		First Ability	Second Ability	Hidden Ability
	Drowzee	Psychic		Psychic	Insomnia	Forewarn	Inner Focus
	Hypno	Psychic		Psychic	Insomnia	Forewarn	Inner Focus
	Hoothoot	Normal	Flying	Insomnia	Keen Eye	Tinted Lens
	Noctowl	Normal	Flying	Insomnia	Keen Eye	Tinted Lens
	Spinarak	Bug	Poison	Swarm	Insomnia	Sniper
	Ariados	Bug	Poison	Swarm	Insomnia	Sniper
	Murkrow	Dark	Flying	Insomnia	Super Luck	Prankster
	Delibird	Ice	Flying	Vital Spirit	Hustle	Insomnia
	Shuppet	Ghost		Ghost	Insomnia	Frisk	Cursed Body
	Banette	Ghost		Ghost	Insomnia	Frisk	Cursed Body
	Honchkrow	Dark	Flying	Insomnia	Super Luck	Moxie
Please note that this is only 100% accurate to Generation V games. For Generation III games, ignore Abilities introduced in Generation IV and Hidden Abilities. For Generation IV games, ignore Hidden Abilities.

Pokéstar Studios Pokémon with Insomnia

#	Pokémon	Types		First Ability	Second Ability	Hidden Ability
	Humanoid	Normal		Normal	Insomnia	None	None
Please note that this is only 100% accurate to Generation V games. For Generation III games, ignore Abilities introduced in Generation IV and Hidden Abilities. For Generation IV games, ignore Hidden Abilities.

In the manga

In the Pokémon Adventures manga

	Waking up	Resisting sleep
The user cannot fall asleep. Also, if it is sleeping, it will immediately wake up.
Pokémon	Method
User	First Chapter Used In		Notes
Regigigas	Regigigas cannot fall asleep. Also, if it is sleeping, it will immediately wake up.
Dia's Gi	Alternate Dimension Showdown X		Debut Used via Worry Seed
Azelf	Azelf cannot fall asleep. Also, if it is sleeping, it will immediately wake up.
A wild Azelf	Alternate Dimension Showdown X		Debut Used via Worry Seed
Uxie	Uxie cannot fall asleep. Also, if it is sleeping, it will immediately wake up.
A wild Uxie	Alternate Dimension Showdown X		Debut Used via Worry Seed
Mesprit	Mesprit cannot fall asleep. Also, if it is sleeping, it will immediately wake up.
A wild Mesprit	Alternate Dimension Showdown X		Debut Used via Worry Seed
Palkia	Palkia cannot fall asleep. Also, if it is sleeping, it will immediately wake up.
Pearl's Palkia	Alternate Dimension Showdown X		Debut Used via Worry Seed
Dialga	Dialga cannot fall asleep. Also, if it is sleeping, it will immediately wake up.
Dia's Dialga	Alternate Dimension Showdown X		Debut Used via Worry Seed
Cresselia	Cresselia cannot fall asleep. Also, if it is sleeping, it will immediately wake up.
Palmer's Cresselia	Alternate Dimension Showdown X		Debut Used via Worry Seed
Heatran	Heatran cannot fall asleep. Also, if it is sleeping, it will immediately wake up.
Charon's Heatran	Alternate Dimension Showdown X		Debut Used via Worry Seed

Trivia

• The move Worry Seed changes the target's Ability to Insomnia.
• Delibird has Insomnia as its Hidden Ability although it already has access to another Ability with the exact same effect.

In other languages

Language Title Mandarin Chinese 失眠 Shī​mián​ French Insomnia German Insomnia Italian Insonnia Korean 불면 Bulmyeon Portuguese Insônia Spanish Insomnio

This article is part of Project Moves and Abilities, a Bulbapedia project that aims to write comprehensive articles on two related aspects of the Pokémon games.