Doesn't curl in2 ball..... unhealthy?

their almost always in the hot side which probably means the other sides too cold.. its a pain in the ass to make my rom the perfect temperatures for 2 geckos 2 snakes and a bearded :/

i think im going to find a person suitable for adopion cause, i lost the one BP then found it unexpectedly, and never wanted 2 snakes at once.. when i found he i just put her in the tank with the ghost