Insomnia (ability)

Effect

Insomnia prevents the ability-bearer from falling asleep, both from moves by other Pokémon like Sing, and self-inflicted sleep like Rest.

If a sleeping Pokémon aquires Insomnia (e.g. from Worry Seed, it will wake up on its next turn.

Game descriptions

Ruby/Sapphire FireRed/LeafGreen Emerald	Prevents sleep.
Diamond/Pearl Platinum HeartGold/SoulSilver	Prevents the Pokémon from falling asleep.
Black/White Black 2/White 2	Prevents the Pokémon from falling asleep.
X/Y O.Ruby/A.Sapphire	Prevents the Pokémon from falling asleep.
Sun/Moon Ultra Sun/Ultra Moon	The Pokémon is suffering from insomnia and cannot fall asleep.
Sword/Shield B.Diamond/S.Pearl	The Pokémon is suffering from insomnia and cannot fall asleep.
Scarlet/Violet	The Pokémon’s insomnia prevents it from falling asleep.

Other languages

English	Insomnia
Japanese	ふみん (Fumin)
German	Insomnia
French	Insomnia
Italian	Insonnia
Spanish	Insomnio
Korean	불면
Chinese (Simplified)	不眠
Chinese (Traditional)	不眠

Pokémon with Insomnia

#	Name	2^nd ability	Hidden ability
0096	Drowzee	Forewarn	Inner Focus
0097	Hypno	Forewarn	Inner Focus
0150	Mewtwo Mega Mewtwo Y	—	—
0163	Hoothoot	Keen Eye	Tinted Lens
0164	Noctowl	Keen Eye	Tinted Lens
0167	Spinarak	Swarm	Sniper
0168	Ariados	Swarm	Sniper
0198	Murkrow	Super Luck	Prankster
0353	Shuppet	Frisk	Cursed Body
0354	Banette	Frisk	Cursed Body
0430	Honchkrow	Super Luck	Moxie
0917	Tarountula	—	Stakeout
0918	Spidops	—	Stakeout
0951	Capsakid	Chlorophyll	Klutz
0952	Scovillain	Chlorophyll	Moody

Insomnia as a hidden ability

#	Name	Other abilities
0225	Delibird	Vital Spirit Hustle
0710	Pumpkaboo Average Size	Pickup Frisk
0710	Pumpkaboo Small Size	Pickup Frisk
0710	Pumpkaboo Large Size	Pickup Frisk
0710	Pumpkaboo Super Size	Pickup Frisk
0711	Gourgeist Average Size	Pickup Frisk
0711	Gourgeist Small Size	Pickup Frisk
0711	Gourgeist Large Size	Pickup Frisk
0711	Gourgeist Super Size	Pickup Frisk