Pikachu’s cries were unlocked from the beginning. Is this a bug? If your Pokémon GO Plus + was connected to Pokémon Sleep on a different smart device in the past, then the unlocked cries will be carried over. Related articles How many sleep sessions tracked by Pokémon GO Plus + can I report at once? How can I get more Pikachu cries? The Pikachu with the hat isn’t growing friendlier toward me. My total sleep time is longer than the time I’ve used my Pokémon GO Plus +. Is this an error? What is the “Auto-Sync with Pokémon GO Plus +” feature in Pokémon Sleep?