For how to sleep to be able to avoid back pain, mainly two aspects: 1, when sleeping must keep the muscles of the lower back and lower limb parts relaxed, usually choose in the flat position in the back of the two thighs pad soft pillow, keep the hip flexion knee, the whole body muscles can be in a relaxed state. You can also choose to apply latex cushions, because latex cushions have a very good shaping effect, can effectively maintain the normal physiological curvature of the spine, to maintain muscle relaxation. 2, in the sleep must pay attention to warmth, must not appear to be cold. Once cold, it will lead to muscle tissue becomes more tense, the resulting inflammation and lactic acid and other metabolic products will gradually increase, venous return decreased, resulting in muscle pain symptoms more obvious. Therefore, it is best to wear clothes such as autumn clothes to cover up at night and cover the bedding well to avoid getting cold.