

Shredded latex is the answer, 100%. But only if you are able to remove (or add) the latex as needed. I found I needed about half of what the pillow came with. Maybe a third?
The result is a pillow that can do it all: prop up your head for reading in bed, become mostly neck support for back sleeping (with a bit of shaping; takes seconds but isn’t automatic,) and ditto for side sleeping but at a slightly higher height.
Once you get used to a pillow that holds its shape and provides excellent support, all other pillows feel archaic.

Not Proxmox! Use it for free at home, but buy it for your business if you can! (But they never force you to)
/hoping it doesn’t bite the dust too