Is it better to sleep on a hard or soft mattress Truth is that neither soft mattresses nor hard mattresses win. People are most favored, or the most suitable is the soft and hard mattresses . Because the human body is the physiological flexion of the lumbar spine when lying flat, you should need a suitable mattress to support it. It must be a relatively suitable state to support the area and support, so as to protect the spine. The result is better rest and muscle relaxation. If you choose a strong mattress, then it will not fit our own body curve and the curvature of the lumbar spine, and the uneven area of the force will make our body completely relaxed, and even particularly uncomfortable. In the long run, it will cause us Pathological changes in the lumbar spine cause a series of lumbar spine diseases; it also causes muscle strain, which is no good. There is also the truth of soft mattresses. Similarly, according to the normal curvature of the human spine,
