List of Pokémon by index number in Pokémon Sleep
In each Pokémon game, all Pokémon have an unseen index number used to identify them in the game's data.
List of Pokémon by index number
Trivia
- It appears that the index reflects the chronological order in which each Pokémon was added to the game, as newly added Pokémon are appended to the end of the list.