1, the softness of the mattress on the impact of lumbar spine when people sleep mattress support for the human body can be broken down into five parts, head support, shoulder and back support, lumbar support, hip support and leg support, the most appropriate weight distribution is 10%, 30%, 10%, 35% and 15%, so that the human body can also maintain the physiological curve. But if too soft mattress will make the human body lying down and side lying lumbar support of the force increased, dispersed shoulders and hips of the force; and too hard mattress such as hardboard bed will make the shoulder and back support and buttock support of the force increased and caused by the two parts of the uncomfortable, and at the same time due to the lack of lumbar support will be the human body lying down lumbar vertebrae physiological foreshortening reduced, side lying lumbar vertebrae showing lateral curvature, so over-soft and over-hard mattresses on the lumbar spine are not good, soft and hard mattress. Lumbar spine are not good, soft and hard moderate mattress is more appropriate. 2, sleeping posture on the lumbar spine? Many patients with lumbar disc herniation consult how to sleep on the lumbar spine is better, from the point of view of the force lying side of the lumbar intervertebral disc force is lying 3 times (as shown in the figure), but than the standing and sitting position is still a lot of small force, so lie flat and lie sideways can be, don’t intentionally keep some kind of sleeping position, as long as comfortable that is the moment. But sleep if you can skillfully use the leg cushion habit can still reduce the lumbar spine of the force. Lying flat is below the knee pad a pillow or cushion is conducive to lumbar spine to maintain physiological anterior convexity, lying on the side of the two legs between a pillow or cushion is conducive to lumbar spine to maintain a neutral position, are better sleeping position. Mattress selection and correct sleeping posture may seem trivial but is actually an important part of the protection of the lumbar spine, especially for patients with lumbar disc herniation is more important. Protect the lumbar spine, develop good habits, starting from daily life!