Bad Dreams (Ability)

Bad Dreams

ナイトメア

Nightmare

Flavor text


Generation IV
Reduces a sleeping foe's HP.


Generation V
Reduces a sleeping foe's HP.


Generation VI
Reduces the HP of sleeping opposing Pokémon.


Generation VII
Currently unknown


Generation VIII
Currently unknown


Generation IX
Currently unknown

Bad Dreams (Japanese: ナイトメア Nightmare) is an Ability introduced in Generation IV. It is the signature Ability of Darkrai.

Effect

In battle

At the end of each turn, each adjacent sleeping foe loses 1/8 of its maximum HP.

Bad Dreams applies after a Pokémon drowsy due to Yawn falls asleep. Bad Dreams applies after a Pokémon has the opportunity to be woken up by Hydration, Shed Skin, or Healer.

Outside of battle

Bad Dreams has no effect outside of battle.

Pokémon with Bad Dreams

#	Pokémon		Types		First Ability	Second Ability	Hidden Ability
0491		Darkrai	Dark		Dark	Bad Dreams	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 anime

Pokémon	Method
Darkrai (XY098) Darkrai (M10) Darkrai (DP104)
The user causes the opponent to have nightmares.
User	First Used In	Notes
	If the opponent falls asleep when Darkrai is near, it starts to have nightmares.
Darkrai (M10)	The Rise of Darkrai	Debut
A wild Darkrai	Sleepless in Pre-Battle!	None
A wild Darkrai	Dream a Little Dream from Me!	None

In the manga

In the Pokémon Adventures manga

Pokémon	Method
Being affected
The user causes the opponent to have a nightmare.
User	First Chapter Used In	Notes
	If a person or a Pokémon is asleep near Darkrai, it suffers from horrible nightmares that can be fatal if the sleeping person or Pokémon doesn't wake up in time. The Ability is active even if Darkrai is inside of a Poké Ball.
Sird's Darkrai	Startling Staraptor	Debut

In the movie adaptations

Pokémon	Method
Darkrai
The user causes the opponent to have a nightmare.
User	First Chapter Used In	Notes
	If the opponent falls asleep when Darkrai is near, it starts to have nightmares.
Darkrai (M10)	The Rise of Darkrai (manga)	Debut

Trivia

This Ability originated as a TCG Attack.

In other languages

Language		Title
Mandarin Chinese		惡夢 Èmèng
Dutch		Boze Dromen Slechte dromen
French		Mauvais Rêve
German		Alptraum
Indonesian		Mimpi Buruk
Italian		Sogniamari
Korean		나이트메어 Nightmare
Portuguese		Sonhos Ruins
Spanish		Mal Sueño

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.