My girl does the same thing. During the day she sleeps in her hide but at night, she is trouble. She will burrow under her water bowl and arch up trying to tip it, tears her plants down, pushes her temp/humidity gauge all over, push aspen into piles. She hasn't eaten since Oct or Nov. It is that time of the season for them.
Is she active 24/7? Might not like the set up. Can try switching sides with hides or new hides.
As for mites, if she is your only snake and it didn't have mites when you got it, it probably doesn't have mites. Snake mites really aren't all that common away from snakes so its not like they will just be wandering down the street. Now if you went to a reptile show and then come home, sure you can transfer them then. That's why its best to come home, strip in the garage and throw everything in the laundry right away.
If she was eating fine before in the set up you have and the only change is the one hide, then that is probably the culprit. Otherwise, I would just chalk it up as "the season" and do like I do and just offer a rat once every 2-3 weeks and if she eats it, great. If not, get a boa or 2 to play garbage disposal![]()