The Pokémon awakens from sleep twice as fast as other Pokémon.
This Pokémon's remaining sleep turn count falls by 2 rather than 1. If this Pokémon's sleep counter is at 1, it will fall to 0 and then the Pokémon will wake up.
16 Pokemon can have this ability
Pokemon.showingCount
Abilities.exploreOtherAbilitiesDescription