If I sleep on a hard mattress, my back kills me, but I know others who have similar back problems and prefer a hard mattress. And, I know people without ailments that prefer either... moreIf I sleep on a hard mattress, my back kills me, but I know others who have similar back problems and prefer a hard mattress. And, I know people without ailments that prefer either one. It doesn't seem to be tied to health conditions or weight.
