Sleep Style Discovery Week begins in Pokémon Sleep on September 23rd, 2024 in all areas! During this event, you'll be more likely to encounter Sleep Styles you haven't studied yet. Take the opportunity to study rare Sleep Styles!

Event: Sleep Style Discovery Week

You can fill in more entries in your Sleep Style Dex during the Sleep Style Discovery Week! This week-long event is a special opportunity that will make it easier to encounter Pokémon sleep styles you haven’t registered in your Sleep Style Dex yet. We encourage you to discover Pokémon sleep styles you haven’t discovered yet!

Event Period: Monday, September 23, at 4:00 a.m. to Monday, September 30, at 3:59 a.m.
Event Areas: All areas

Bonuses

The following effects will trigger in the applicable areas during the event.

— All Days (9/23 to 9/29) —
• Pokémon sleep styles that you haven’t discovered yet are more likely to appear during sleep research.
• Final Strength gains from dishes will be multiplied by 1.25 (or 2.5 for Extra Tasty dishes or 3.75 for Extra Tasty dishes on Sunday only).
• A few Pokémon of different sleep types will appear during sleep research regardless of the researcher’s sleep type for that day.

Notes

• [Important] Each day of Sleep Style Discovery Week 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.
• Event bonuses will trigger regardless of which site you conduct your sleep research in.

Source: https://www.pokemonsleep.net/en/news/313737383435343734303531343839373933/