Pokémon Sleep is adding Mewtwo as a new Special Pokémon on Sept. 14, 2026, at 3 p.m. Players will be able to encounter the Psychic-type Pokémon during sleep research at Greengrass Isle, Greengrass Isle (Expert) and Cyan Beach (Expert), where Mewtwo will have a Snoozing Sleep Type. Its main skill, Psystrike (Berry Zone), increases Snorlax’s … Continue reading Pokémon Sleep Adds Mewtwo on Sept. 14 With New Psystrike Berry Zone Skill