Insomnia (Ability)

Insomnia (Japanese: ふみん Insomnia) is an Ability introduced in Generation III.

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
The Pokémon is suffering from insomnia and cannot fall asleep.


Generation VIII
The Pokémon is suffering from insomnia and cannot fall asleep.

Effect

In battle

Insomnia prevents the Pokémon from being afflicted by sleep and Yawn. Rest will fail when used by the Pokémon.

A Pokémon with this Ability will wake up if it is asleep in battle (such as if it gains the Ability outside of battle or by an effect like Skill Swap, or is put to sleep by a Pokémon with an Ability like Mold Breaker).

If a Pokémon with this Ability is drowsy due to Yawn, when it would fall asleep the Ability activates and keeps it awake.

The move Worry Seed can change the target Pokémon's Ability to Insomnia.

Generation III

If a sleeping Pokémon with Insomnia is sent into battle as one of the lead Pokémon or to replace a fainted Pokémon, or gains Insomnia due to Trace, it will not be cured of sleep until after a Pokémon takes its turn (uses a move, switches out, etc.). It will be cured of sleep if it is switched in to replace a switched out Pokémon (including if switched in via Baton Pass).

If a sleeping Pokémon has Insomnia as its original Ability but not its current Ability, it will remain asleep when switched out.

If the Pokémon with this Ability is asleep and is holding a Chesto or Lum Berry, Insomnia will cure the Pokémon of sleep before the Berry has a chance to be consumed.

Generation IV

There is no known way for a sleeping Pokémon with Insomnia to enter battle.

If a sleeping Pokémon has Insomnia as its original Ability but not its current Ability, if it is one of the active Pokémon at the end of the battle or switched out, it will be cured of sleep (with no message).

Generation V onward

When a sleeping Pokémon with Insomnia enters battle, it will be cured of sleep.

If a sleeping Pokémon has Insomnia as its original Ability but not its current Ability, it will remain asleep when switched out.

If the Pokémon with this Ability is asleep and is holding a Chesto or Lum Berry, the Berry will be eaten and cure the Pokémon of sleep before Insomnia has a chance to activate.

Outside of battle

If a sleeping Pokémon gains Insomnia by evolution or the Ability Capsule, it will not wake up until sent into battle. Pokémon with Insomnia will not be put to sleep by the Gentleman's Kirlia in the Battle Pike nor the Battle Arcade's game board.

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
	Mewtwo Mega Mewtwo Y	Psychic		Psychic	Insomnia	None	None
	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
	Pumpkaboo	Ghost	Grass	Pickup	Frisk	Insomnia
	Gourgeist	Ghost	Grass	Pickup	Frisk	Insomnia
Please note that this is only 100% accurate to Generation VIII games. For Generation III games, ignore Abilities introduced in Generation IV or later and Hidden Abilities. For Generation IV games, ignore Hidden Abilities. For Generation V games, ignore Abilities introduced in Generation VI or later. For Generation VI games, ignore Abilities introduced in Generation VII or later. For Generation VII games, ignore Abilities introduced in Generation VIII or later.

Pokéstar Studios opponents with Insomnia

Humanoid

Normal
Insomnia
HP	Atk	Def	SpA	SpD	Spd
100	100	100	100	100	100

In other games

Description

Games	Description
MDRB	Prevents sleep.
MDTD	Protects the Pokémon from being put to sleep.
MDS	Protects the Pokémon from being made to sleep.
BSL	ねむらない
MDGtI	Unavailable
SMD	The Pokémon won't get the sleep, napping, yawning, or nightmare status condition!
MDRTDX	The Pokémon won't get the Sleep, Napping, Yawning, or Nightmare condition.

In the manga

Pokémon Adventures

	Waking up

The Pokémon 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 while acquiring the Ability, it will immediately wake up.
Diamond's Reg	The Final Dimensional Duel X	Debut Used via Worry Seed
Azelf	Azelf cannot fall asleep. Also, if it is sleeping while acquiring the Ability, it will immediately wake up.
Azelf (Adventures)	The Final Dimensional Duel X	Debut Used via Worry Seed
Uxie	Uxie cannot fall asleep. Also, if it is sleeping while acquiring the Ability, it will immediately wake up.
Uxie (Adventures)	The Final Dimensional Duel X	Debut Used via Worry Seed
Mesprit	Mesprit cannot fall asleep. Also, if it is sleeping while acquiring the Ability, it will immediately wake up.
Mesprit (Adventures)	The Final Dimensional Duel X	Debut Used via Worry Seed
Palkia	Palkia cannot fall asleep. Also, if it is sleeping while acquiring the Ability, it will immediately wake up.
Palkia (Adventures)	The Final Dimensional Duel X	Debut Used via Worry Seed
Dialga	Dialga cannot fall asleep. Also, if it is sleeping while acquiring the Ability, it will immediately wake up.
Dialga (Adventures)	The Final Dimensional Duel X	Debut Used via Worry Seed
Cresselia	Cresselia cannot fall asleep. Also, if it is sleeping while acquiring the Ability, it will immediately wake up.
Palmer's Cresselia	The Final Dimensional Duel X	Debut Used via Worry Seed
Heatran	Heatran cannot fall asleep. Also, if it is sleeping while acquiring the Ability, it will immediately wake up.
Charon's Heatran	The Final Dimensional Duel X	Debut Used via Worry Seed

In volume 42, Silver's Honchkrow was revealed to have Insomnia as his Ability.
Janine's Ariados was revealed to have Insomnia as his Ability.
Roxanne's Cradily was revealed to have Insomnia as its Ability.*

Trivia

It is one of three Abilities that prevent sleeping, the others being Vital Spirit and Sweet Veil.
Delibird has Insomnia as its Hidden Ability, despite already having Vital Spirit as a regular Ability, which has the same effect.

In other languages

Language		Title
Chinese	Cantonese	不眠 Bātmìhn * 失眠 Sātmìhn *
Chinese	Mandarin	不眠 Bùmián * 失眠 Shīmián *
French		Insomnia
German		Insomnia
Italian		Insonnia
Korean		불면 Bulmyeon
Portuguese	Brazil	Insônia
Portuguese	Portugal	Insónia
Spanish		Insomnio
Vietnamese		Mất Ngủ

Variations of the Ability Limber
Limber • Oblivious • Insomnia • Immunity • Own Tempo • Inner Focus • Magma Armor • Water Veil • Vital Spirit

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.

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