My BP has been behaving a bit strange

[KMG]

His warm side actually used to be warmer. Once the bulb burned out and I replaced it is when he started hiding on that side. I even bought a dimmer for the light to lower the temperature, but He still stayed over there. It's just strange to me that he suddenly started hiding despite having had no issues before. If for some reason it isn't the heat, what could it be?

Used to be warmer? That's not a good thing.

I don't have any hotspots that reach 90. 85 is what I shoot for.

Lower it and see what happens. Overall a hiding snake is a happy snake. Just because it stays on one side over the other doesn't matter if the numbers are good. My Ball stays on the cool side most of the time. I don't count the days but it's certainly there more than it's not.