for humidity problem,i have a waterfall in my tank and i have a fogger in it.with my screen top covered and the fogger going my humidity stays between 50 to 70%.you can run the foggers in water bowles,you dont need a waterfall. as for heat,i live in canada,i have a uth and a ceramic heating element in a light fixture ontop of the sceen.i also have a daylight bulb i use for 12 hours day and a moonlight bulb for 12 hours at night.i need the lights ceramic heater and uth to keep my temps where they should be,but my tank is alot bigger than it needs to be thats why i need the lights to keep the temp where it should be.the moonlight bulb doesnt give off much light so it shouldnt disturb you when you sleep. oh yeah my fogger is a exo-terra and i dont run it in the summer,it gets pretty humid where i live in the summer.hope this helps,good luck