Prevents sleep.
This Pokémon cannot be asleep. This causes Rest to fail altogether. If a Pokémon is asleep and acquires this ability, it will immediately wake up; this includes when regaining a lost ability upon leaving battle. This ability functions identically to Insomnia in battle. Overworld: If the lead Pokémon has this ability, higher-levelled Pokémon have their encounter rate increased.
| ruby sapphire | Prevents sleep. |
|---|---|
| emerald | Prevents sleep. |
| firered leafgreen | Prevents sleep. |
| diamond pearl | Prevents the Pokémon from falling asleep. |
| platinum | Prevents the Pokémon from falling asleep. |
| heartgold soulsilver | Prevents the Pokémon from falling asleep. |
| black white | Prevents the Pokémon from falling asleep. |
| black 2 white 2 | Prevents the Pokémon from falling asleep. |
| x y | Prevents the Pokémon from falling asleep. |
| omega ruby alpha sapphire | Prevents the Pokémon from falling asleep. |
| sun moon | The Pokémon is full of vitality, and that prevents it from falling asleep. |
| ultra sun ultra moon | The Pokémon is full of vitality, and that prevents it from falling asleep. |
| lets go pikachu lets go eevee | The Pokémon is full of vitality, and that prevents it from falling asleep. |
| sword shield | The Pokémon is full of vitality, and that prevents it from falling asleep. |
| scarlet violet | The Pokémon is full of vitality, and that prevents it from falling asleep. |