Women’s waist aches and pains when they lie down, this situation is mainly due to strain on the soft tissues of the waist muscles, ligaments, tendons, etc. The formation of strain is mostly due to the muscles not being relaxed enough during sleep at night, and produced by the cold situation. When lying down, these strain locations are strained and stimulated, resulting in significant pain. When walking or standing, these muscles become relaxed and therefore do not cause pain. For this situation, if you choose to sleep in the supine position at night, you can put quilts or soft pillows under the knee joints bilaterally, keeping the hip and knee flexed, the lumbar muscles can be relaxed, which can effectively avoid the pain and strain. Be sure to pay attention to keep warm at night and not to get cold, because after getting cold, it will lead to tension in muscles and other soft tissues, inflammatory metabolites will accumulate, and the soreness will be more obvious. You can carry out a warm water bag warm compress on the lower back before going to bed, which can also effectively prevent this condition.