Ball Python 'searching'? Stress and how to treat

[VereMyth]

3 foot snake 3 1/2 years old. 1200grams
30 gallon glass tank coconut fiber(damp) two hides one on hot side one cold side, weighted water bowl, some leaves and a wood structure. 2 sides covered by blanket, lid is half wrapped in saran for humidity.
She has a wall mounted heat mat and an under the tank mat.
Her hot side is 85-88°F cold side is 72°F humidity is 63-65%
Cage was last clean cleaned a month ago. And I go light poop cleaning every other week. Water change with light clean.
She eats medium rats. Live, only. She will NOT eat frozen. And only brown rats. No white.
Feeding is every other week.
She is searching both day and night. Nonstop.

72 degrees is a bit low. the ambient should be 80F