My new Ball Python loves to climb around his cage as well. At first I thought there was something upsetting him, but now that I can accurately monitor everything in his cage, nothing temperature or humidity wise should be bothering him. It's always at night too, so I think he just likes to explore at night due to being nocturnal! It's funny hearing him rustling around in his leaves and one time I walked in to see him curled around his whole branch. Still can't tell if he just likes moving around at night when he's awake and feels safer or if he's still just exploring his new cage.

I think the previous owner handled him a lot so he's too used to being taken out of his cage, but he had just eaten the day before so I was like "Sorry baby, I can't take you out!"