Pokémon Sleep has announced that Munna and Musharna will appear in-game starting on March 17th, 2025.

New Arrivals: Munna and Musharna

There have been reports of Pokémon appearing we haven’t seen around here before—maybe this is thanks to the sleep research you’ve all been conducting! It may be possible to encounter them during sleep research sometime soon.

New Arrivals
• Munna – Psychic
• Musharna – Psychic

We hope you’re looking forward to this!

Newly Arriving Pokémon Details

Appearing Beginning: March 17, 2025, at 3:00 p.m.
Note: Pokémon Incense for the new arrivals can be used starting from the date and time above.

Appearing at: Greengrass Isle, Lapis Lakeside, and the Old Gold Power Plant

Sleep Types: Munna: Snoozing, Musharna: Snoozing


Source: https://www.pokemonsleep.net/en/news/323431393938323537353135393231343039/