She just sounds stressed out to me. Why not put her in a small 6qt shoebox tub for awhile and see how she does. 6qts don't require much heating at all to be maintained.

I have one 07 male normal who is always out and about, but he's one that will take off your face if he even gets a whiff of mouse. For some it's just normal roaming, for others(like yours), it's caused by stress and looking for a safe place to hide.