Can I play Pokémon Sleep for free? Basic gameplay is free to play. There are optional in-game purchases. Related articles What smart devices can I play Pokémon Sleep on? How is my sleep tracked? I don’t have a Pokémon GO Plus +. Can I play Pokémon Sleep? I’m more of a nocturnal person. Can I play this game even if I sleep during the day? Can I still receive rewards if I change my bedtime?