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.
| 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. |
| English | Insomnia |
|---|---|
| Spanish | Insomnio |
| Italian | Insonnia |
| Japanese | ふみん (Fumin) |
| German | Insomnia |
| French | Insomnia |