Pokémon Sleep: is continuing to add new content and updates on a regular basis. Read on below to learn more:

Thank you for playing Pokémon Sleep!
To update to the app’s new version, maintenance will be conducted during the following time period.
Maintenance Period
Starts: Mar. 25, 2025, at 23:30 p.m.
Ends: Mar. 26, 2025, at 4:00 a.m.
New Features
■ Preparation for a new event
Cresselia vs. Darkrai
Please see the event news for more details.
■ Addition of a new alarm sound
Let’s Go
■ Preparation for features to commemorate World Sleep Day
Please see the relevant announcement for more details.
Balance Adjustments
■ Increase to the number of candies received after sleep research
The number of candies you receive when researching sleep styles will increase by 1 or 2.
■ Adjustments to sleep research rewards
If you conduct sleep research twice in one day and research at least 11 Pokémon in a single day, the rewards for the eleventh and any subsequent Pokémon will be less, as follows:
• 1 Pokémon candy
• Half the usual number of Dream Shards and research EXP
■ Adjustments to some Natures
• Speed of Help ▼▼ modifiers based on a Pokémon’s Nature, which affect helper stats, will be adjusted so that the Pokémon can help a little faster than before.
• This applies to the following Natures: Bold, Modest, Calm, and Timid.
Other
■ Changes to weekly mission rewards
The Pokémon incenses you can get as weekly missions rewards in some areas will change.
• This applies to the following areas: Greengrass Isle, Cyan Beach, Taupe Hollow, and Snowdrop Tundra.
Note: These changes will start .
■ Some text adjusted or unified
■ Other small bug fixes and adjustments
Source: Official Pokémon Sleep news
Source:Pokémon