Pokémon Sleep is set to host its Spring Festival 2026 event from April 27 to May 4, bringing seasonal bonuses and new content for players. As part of the event, Sandshrew and Sandslash will be added to the game, expanding the roster and giving players new Pokémon to encounter during their sleep research. The update continues the game’s steady rollout of additions tied to limited-time events, encouraging players to stay active and take advantage of boosted opportunities throughout the weeklong celebration.
Source: Official Pokémon Sleep news and PokemonSleep.net
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