Good sleeping position for the waist is mainly two: the first is in the side position, in the two lower limbs between the soft pillow or quilt, keep the lower limbs in a parallel state, and to maintain hip flexion, knee flexion, waist muscles and the surrounding soft tissue can be fully in a relaxed state, and help the waist rest during sleep. The second is the flat position, flat position must be the pillow pad in the rear part of the thigh, so as to maintain the hip flexion, knee flexion, and the hip joint can be properly externally rotated state, the waist suspended state can be avoided, the waist flattened muscles and the surrounding soft tissues can also be in a relaxed state, can help the waist rest, and try to choose latex cushion when sleeping, because this can better play Latex cushion shaping effect, help the whole waist around the muscles, soft tissue fully relaxed.