In an industry full of inferior products that either push up on hips and shoulders, or do not support them, sleepers are forced to move around seeking pressure relief by other means. Rolling onto the stomach, placing a pillow between the legs, throwing one knee over the other.
People wake up exhausted and don’t know why. The slowed breath and heartbeats as well as muscles moving into relaxation, are delayed, and the true deep sleep cycle can not begin.