Early Bird

The Pokémon awakens quickly from sleep.

Game descriptions

Ruby, Sapphire, FireRed, LeafGreen, Emerald:Awakens quickly from sleep.
Diamond, Pearl, Platinum, HeartGold, SoulSilver:The Pokémon awakens quickly from sleep.
Black, White, Black 2, White 2:The Pokémon awakens quickly from sleep.
X, Y, O.Ruby, A.Sapphire:The Pokémon awakens quickly from sleep.
Sun, Moon, Ultra Sun, Ultra Moon:The Pokémon awakens twice as fast as other Pokémon from sleep.
Sword, Shield, B.Diamond, S.Pearl:The Pokémon awakens from sleep twice as fast as other Pokémon.
Scarlet, Violet:The Pokémon awakens from sleep twice as fast as other Pokémon.