If lumbar pain occurs after sleeping for too long, most of them will be accompanied by primary diseases of the lumbar region, etc. Generally speaking, these patients are often accompanied by lumbar muscle strain, lumbar disc herniation, lumbar spinal stenosis, or degeneration and hyperplasia of the lumbar vertebrae. This kind of patients in the frequent supine position too much, will show lumbar pain aggravation, mostly in the sleeping soft mattress, will show more prominent. Because the human body in the supine position, the waist also need to bear part of the body’s weight, if you sleep too soft mattress, this waist to bear the body’s weight will increase, so will be sleeping too long, or sleep soft mattress after the lumbar pain aggravated situation. That is why for patients with primary diseases of the waist, most of them are instructed to sleep on a hardboard bed, because this hardboard bed can reduce the weight of the body in the supine position when the waist, so for the patients here should pay attention to avoid sleeping on too loose mattresses.