My cham counts crickets to help him get to sleep.:D When he does fall asleep, it looks like it takes awhile for him to fall asleep. When he first looks like he snoozes, he always will open an eye if I walk up close to him. My panther is a light sleeper. I had a male Quad who fell asleep and you...
The shower method is fine to potentially rehydrate your cham. Unless you live in a third world country with contaminated water, I do not forsee hydration showers harmful to your cham.