Pokémon Sleep is celebrating the upcoming Unexplored Realm Research! Pursue Mewtwo event with a special Mew Raising Gift Event beginning Sept. 6, 2026. Players who log in during the distribution period through Nov. 8 can claim seven days of gifts containing a total of 151 Mew Candies and 17,000 Dream Shards to help raise Mew. The rewards increase throughout the seven-day login period, with the final day offering 31 Mew Candies and 4,000 Dream Shards. Players can claim each gift by tapping the gift box icon in the upper-right corner of the in-game menu.
Source: Official Pokémon Sleep news
Nintendo & Pokémon Blog 