Pokémon Sleep is currently facing issues affecting certain Pokémon Evolutions, including Natu, Shelgon, Trapinch, Vibrava and Dwebble. The problem appears to involve incorrect settings for these Pokémon, which may impact how they evolve or appear in the game. The development team has acknowledged the issue and is working on a fix to restore normal functionality soon.
Source: Official Pokémon Sleep news
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