This condition in men may be caused by incorrect sleeping posture or sleeping for too long and keeping the body in one posture. It may also be caused by lumbar muscle strain caused by overly heavy physical work of the patient, which can easily lead to back pain after rest. It may also be caused by diseases such as lumbar disc herniation spondylitis, and other aspects are also considered to be caused by kidney disease, stones, abdominal cavity disease, etc. If the symptoms cannot be alleviated after appropriate activities, then a careful examination is also needed to clarify the cause.