If you’re only using them under your head you haven’t truly lived yet. Under the knees (or between the legs if you’re a side sleeper) will take pressure off your lower back. Then you need a cuddling pillow, and maybe a prop up to lean your back against pillow. And if you feel like one more you can also put one on top of your head to block out any light or noise.

I keep one on top of my lower legs too, but that’s an emotional support pillow because that’s where my cat used to sleep before she passed.

It is amazing how much the pain from a bulging disc in my neck reduced when I switched to one pillow.

My knees and hips say otherwise.

Stop complaining. -1 is also part of "as many as you want" set

I personally use -3.87i + 5 pillows

-1 means you are the pillow.

They make extra large foam "bean" bag chairs that i think would be the same more or less. I had one back in college and slept in it constantly b/c it was far cozier than my bed.

Edit: this is just an example i found from a quick search https://www.bedbathandbeyond.com/Home-Garden/Jaxx-Grand-Lounger-7-Foot-Bean-Bag-Sofa-Luxe-Fur-Silver-Fox/34803550/product.html