Pokémon Sleep has announced some of the content they have planned for future updates of the game.

About Future Updates

To commemorate Pokémon Day, we’ll be announcing some of the content we have planned for future updates! More details about these updates and their release dates will be announced at a later date.

To Be Implemented in the Next Update (Partial List)

■ 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.

■ Changes to some weekly mission rewards
• Changes to the Pokémon incenses you can get as a reward for the third “Get Snorlax to a certain rating” mission.
• Areas where these changes apply: Greengrass Isle, Cyan Beach, Taupe Hollow, and Snowdrop Tundra.

■ Adjustments to the rewards you receive when you conduct sleep research twice in one day and research at least 11 Pokémon in a single day
Rewards for the eleventh Pokémon and any subsequent Pokémon you research in a single day will be less, as follows:
• 1 Pokémon candy
• Half the usual number of Dream Shards and research EXP

■ Increasing the number of Pokémon candies you gain through sleep research

To Be Implemented in the Update After the Next (Partial List)

■ Unlocking the limits for research rank, helper Pokémon levels, and more
• Research rank: 60→65
• Pokémon level: 60→65
• Recipe level: 60→65
• Pokémon Box max capacity: 1,000→1,200

■ Additions and adjustments to perks gained from raising friendship levels above a certain point
We plan to add perks as well as adjust the existing perks.

■ Balance adjustments to certain sub skills
• Research EXP Bonus
Before change: Boosts the research EXP gained through sleep research by 6%.
After change: Boosts the research EXP gained through sleep research by 9%.

• Energy Recovery Bonus
Before change: Multiplies the Energy the team recovers from sleep sessions by 1.14.
After change: Multiples the Energy the team recovers from sleep sessions by 1.14. The max amount of Energy that this skill’s user can recover from sleep sessions is increased by 5 (to 105).

Source: https://www.pokemonsleep.net/en/news/323339353434313836353332303033383431/