Tagging onto the smelling their territory keeping them more used to their home, maybe alternate when you clean some of the decor?
Like... clean only hides 1 cage clean day and leave the rest of the decor alone. Then next cage clean in 2 weeks clean the rest of it but not the hides. Leave something that smells familiar at each cage clean.
I'm not sure how much that may help. Maybe the cage is dark enough to seem like dusk during the day and she is coming out to explore early.
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