Generation Iii
Early Bird
Awakens quickly from sleep.
Detailed Effect
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.
Pokémon With Early Bird
16 canonical Pokémon forms can have this Ability.

Doduo
Dodrio
Kangaskhan
Ledyba
Ledian
Natu
Xatu
Girafarig
Houndour
Houndoom
Seedot
Nuzleaf
Smoliv
Dolliv
Sunkern
Sunflora