Ball python roaming viv in day.

Hello
My BP has been roaming his viv for most of the day and he has been on the branches in his viv and climbing the walls every now and then. But he hasn't been out all night and he hasn't ate for about a month. His Temps and humidity are ok but his Temps have dropped a little due to the cold temperature outside. Is he ok? And is he stressed?
Thanks

what are his temps exactly? maybe hes hungry? does he have hides?

His hot side is 87 and his cool side is 78 and he does have hides one in each side

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I also tried to feed him tonight but he didn't seem interested in it

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I have a snake doing the same thing, I actually introduced a male for a few weeks (weekends off) and I'm wondering if she is getting ready to lay. She was all coiled up for a while, even kind of turned on her back, then seemed like she ovulated and got all puffy, then was cool seeking and coiling around her water dish. Now she is climbing the walls and won't eat.