The bed should be minimal and tight body Do not use a sponge or a bed Spring mattress because they are stuck in the swamp makes the spine to bend the back pain.
The mattress should be tight Minimal shrinkage Do not use a sponge mattress or bed springs, because the latter are submerged in the basin. Spine curved back pain
Sleeping mattress should tightly slump is minimal. Should not use sponge or spring bed mattress because the latter will sink in the basin. The bent spine pain you