I consulted the magic conch about random questions relating to my fucked up neck and shoulder (which I still haven't seen a physical therapist for because I'm not capable of running my own life) and it ended up being like "yeah dude btw you're not supposed to put a tempurpedic mattress on anything but an absolutely rigid support" and it's like, oh, really, huh. My parents gave us this old mattress with a split box frame as a support, and while it doesn't seem super springy, it still flexes
Anyway I put the fucker on the floor and holy fucking shit. Oh my god. I forgot how comfort felt. All I've known is pain for months, but after putting the mattress on the floor I could lay in any position, even with my old pillow instead of the cervical support thing I'd been using. Fuckinv christ it's an incredible difference
I really don't know whether to laugh or cry, I've been in so much pain and the solution has been so simple and it could have all just been avoided if my dad gave us the right support for the fucking thing
Anyway PSA DON'T USE A MEMORY FOAM MATTRESS ON ANYTHING BUT A COMPLETELY RIGID FOUNDATION or you'll be visited by the AGONY FAIRY turning your shoulders and neck into gravel
You know what, I had that same thought, but i didn't look into it. It would probably be more fine since you'd still have adequate support underneath the memory foam. Apparently flexible support underneath a memory foam mattress literally voids its warranty! Fun isn't it