Pokémon Sleep turns three this month, and they are celebrating the occasion with a special anniversary event from July 20th, 2026, at 7:00 a.m. PDT to July 27th, 2026, at 6:59 a.m. PDT. During the event, you can get wonderful bonuses, encounter Pokémon new to Pokémon Sleep, and enjoy an exciting feature that will become fully available after the event!

Third Anniversary Announcement 1: Special Collaboration Event

In August 2026, we will hold a special collaboration event. It seems likely that new encounters with Pokémon such as Pikachu wearing a captain’s hat and Tinkatink, Tinkatuff, and Tinkaton await you!!

YouTube Clip - Pokémon Sleep x Pokémon Horizons: The Series | New Collaboration

Source: https://www.youtube.com/watch?v=7X9Yu1Ixrt0

YouTube Clip - Pokémon Sleep x Pokémon Horizons: The Series | New Collaboration (Japanese)

Source: https://www.youtube.com/watch?v=MmcNKF-atzI

Event Bonuses

Each day during the event, you can plant a seed in the planter near Snorlax’s feet. If you track your sleep after planting a seed, Festive Flowers will bloom when you wake up! There are five differently colored seeds, and you will gain various bonuses depending on which seed you plant.

Also, Mini Candy Boost will be available during the event. This feature lets your helper Pokémon get twice the usual amount of EXP from candies by using four times the usual amount of Dream Shards. Take advantage of this feature to quickly level up your Pokémon!

New Arrivals

Your sleep research has been paying off! We’re hearing reports of some Pokémon appearing that we’ve never seen before. You can now encounter the first partner Pokémon from the Sinnoh region: Turtwig, Chimchar, and Piplup! These Pokémon—and their Evolutions—will have greater appearance rates during the anniversary event. We hope you’re able to learn more about them and their sleep styles!

Sources: https://www.pokemonsleep.net/en/news/343231343531373437313438343331333833/ and https://www.pokemon.com/us/news/celebrate-the-third-anniversary-of-pokemon-sleep