It's not that I'm fussy about things. But isn't equilibrium and balance pretty much the same thing?
(Notice that gravity cannot be shielded.)
I dont think that anyone except those who have been experienced weightlessness for real, could avoiding gravity in dreams. And since the majority of people have never felt anything else except gravity in different variations, then I believe that the brain just work with what it have been experience before. wich is, gravity in different variations.

Now, and VERY IMPORTANTLY, the maximum of feeling/touch/force/energy that is ACTUALLY experienced in dreams IS HALF of that in comparison to waking experience while standing. This constitutes excellent, substantial, fundamental, undeniable, clear, and foundational PROOF.
I just wounder what it is you see as important to what? And what is this proof you talking about? I dont try to contradict you here. but Im just woundering what kind of point you want to make clear with all this? Is it that we dont fully perceive feelings/touch/smell etc etc, or what is to your theory that is so revolutionary to you?