Can you believe Pokémon Sleep is almost three years old?! In anticipation of the third anniversary, a Third Anniversary Prelude event has been announced, and we know which First Partner Pokémon will debut during the actual third anniversary event!
- Week One: Monday to
- Week Two: Monday July 21st 2025, at 4:00 a.m. to Monday July 28th, 2025, at 3:59 a.m.
- Event Area: All areas
- A few Pokémon of different sleep types will appear during sleep research regardless of your sleep type for that day.
- Certain Pokémon will be more likely to appear during sleep research.
- You'll get 150 bonus sleep points every day
- Dream Shards from sleep research ×1.5.
- Research EXP from sleep research will be multiplied by 1.5.

The following Pokémon are more likely to appear during this event:
Research Areas
They will appear at the following research areas:
- Greengrass Isle: Treecko, Grovyle, Sceptile, Torchic, Combusken, Blaziken, Mudkip, Marshtomp, Swampert, Plusle, and Minun.
- Cyan Beach: Treecko, Grovyle, and Sceptile
- Taupe Hollow: Mudkip, Marshtomp, and Swampert
- Lapis Lakeside: Treecko, Grovyle, Sceptile, Torchic, Combusken, and Blaziken.
- Old Gold Power Plant: Plusle, and Minun.
- Amber Canyon: Plusle, and Minun.
- Greengrass Isle (Expert): Treecko, Grovyle, Sceptile, Torchic, Combusken, Blaziken, Mudkip, Marshtomp, Swampert, Plusle, and Minun.

marks the third anniversary of Pokémon Sleep’s global release! To celebrate this milestone, we’ll be holding the Third Anniversary Fest, beginning .
Turtwig, Chimchar, and Piplup will make their Pokémon Sleep debut during the event.
- 【Important】 Each day of the event rolls over at 4:00 a.m.
- Event bonuses apply only to sleep data tracked during the event.
- If you wait to report sleep data tracked before the event began and select “Review Later” during the event, event bonuses will not be applied.
- If you wait to report sleep data tracked during the event and select “Review Later” after the event has ended, event bonuses will be applied.
- Event bonuses do not apply to sleep tracking during the tutorial.
- If overlapping events trigger more than one of the same type of bonus, the larger bonus will be applied.
- The effects of incense stack with the event bonuses. If you use Focus Incense during the event, research EXP gains will be multiplied by 3 (×1.5 from the event bonus and ×2 from the Focus Incense bonus).
