I am only going to use the uvb light for my royal when she has at least 3 consecutive feeds with me, this means if she starts to suddenly decline I will know it is most likely the problem. I would recommend not using the light for at least a week so you can see if any changes occur, I don't think this will be bad tbh as many keep them in pretty much constant complete darkness their whole lives anyway and this will let you know if it could be a stress factor.
ALSO WHY ARE YOU TURNING YOUR LIGHT ON AND OFF HOURLY???!!!! This will be so stressful and confusing to the snake - possibly the most stressful thing you can do! Turn it on with a timer at 7AM and then off at 7PM (or something like that) do not turn it off and on constantly!
I think you should try to just keep things consistent for a few weeks as pets, especially reptiles need consistency to thrive, let him acclimate for awhile without doing anything to him or the enclosure apart from changing the water daily.