Have you familiarized yourself with proper husbandry and setup?
As mentioned above, you may need to make some adjustments.

Those thermometers are wildly inaccurate.
Also, is your heat controlled by a thermostat?

Your BP may Leo be trying to find someplace secure where he feels safe. That larger sized hide is likely to big and there isn't much clutter. A young BP desperately needs to feel safe and secure, otherwise they will seek out a safe secure place to hide within their desired temperature gradient.