When i relax i feel my spine shift?

bad back here, when my work day is over i try to lay on the back. but with this hunch i have "lowest rib area" i'm unable to do so. after awhile i relax enought to where i feel my spine shift, scary feeling. afterwards it takes me a few minutes to get up do to pinched nerves i guess, but when i findly get to my feet my posture is way better. i know i need to go see someone about my back but is this bad what i'm doing?