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. Generation VI Prevents the Pokémon from falling asleep. Generation VII Currently unknown Generation VIII Currently unknown Generation IX Currently unknown

Insomnia (Japanese: ふみん Insomnia) is an Ability introduced in Generation III. Fourteen Pokémon can have this Ability. It is one of three Abilities that prevent sleeping, the others being Vital Spirit and Sweet Veil.

Effect

In battle

Insomnia prevents Sleep by either the opponent or themselves. If a Pokémon with Insomnia uses Rest, it will automatically fail. If a Pokémon gains this Ability while asleep, such as with the Mewtwonite Y or the move Worry Seed, it will wake up.

Outside of battle

Insomnia has no effect outside of battle.

Pokémon with Insomnia

#	Pokémon		Types		First Ability	Second Ability	Hidden Ability
0096		Drowzee	Psychic		Psychic	Insomnia	Forewarn	Inner Focus
0097		Hypno	Psychic		Psychic	Insomnia	Forewarn	Inner Focus
0150		Mewtwo	Psychic		Psychic	Insomnia	None	None
0163		Hoothoot	Normal	Flying	Insomnia	Keen Eye	Tinted Lens
0164		Noctowl	Normal	Flying	Insomnia	Keen Eye	Tinted Lens
0167		Spinarak	Bug	Poison	Swarm	Insomnia	Sniper
0168		Ariados	Bug	Poison	Swarm	Insomnia	Sniper
0198		Murkrow	Dark	Flying	Insomnia	Super Luck	Prankster
0225		Delibird	Ice	Flying	Vital Spirit	Hustle	Insomnia
0353		Shuppet	Ghost		Ghost	Insomnia	Frisk	Cursed Body
0354		Banette	Ghost		Ghost	Insomnia	Frisk	Cursed Body
0430		Honchkrow	Dark	Flying	Insomnia	Super Luck	Moxie
0710		Pumpkaboo	Ghost	Grass	Pickup	Frisk	Insomnia
0711		Gourgeist	Ghost	Grass	Pickup	Frisk	Insomnia
Please note that abilities marked with a superscript are only available in the stated generation or later. For Generation III and IV games, ignore Hidden Abilities.

Pokéstar Studios opponents with Insomnia

#	Pokémon		Types		First Ability	Second Ability	Hidden Ability
0000	Humanoid	Humanoid	Normal		Normal	Insomnia	None	None
Please note that abilities marked with a superscript are only available in the stated generation or later. For Generation III and 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 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 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 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 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 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 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 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 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

• Delibird has Insomnia as its Hidden Ability although it already has access to another Ability with the exact same in-battle 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.