Lying down to sleep with the waist hanging in the air, easy to cause the waist muscles, tendons, ligaments and other soft tissues in a state of fatigue, not conducive to normal rest. There are two ways to solve this situation: First, when lying down in a flat position in the bilateral knee below a soft pillow, the knee is in a state of flexion, lumbar physiological curvature straightens the waist muscles as well as the surrounding soft tissues are in a state of relaxation. Second, choose latex pads, because latex pads have a good shaping effect, can effectively support the normal physiological curvature of the human waist, lumbar muscles and soft tissues will also be in a relaxed state, there will be no fatigue or strain. In the night must pay attention to keep warm, can not be cold, otherwise it is also easy to appear lumbar muscle pain, activity unfavorable situation.