Niche, basket, house, hammock, dodo
Each of your companions, whatever their species, needs to have a dedicated space.
For your rodents it is important to create suitable places for them both in terms of living space and cage layout.
Consider providing natural clarity to limit artificial lights.
In this range you can find, scratching post, sleeping, teepee ...
Equip their home so that it ... looks like a natural and secure environment.