Wake up in the morning feeling pain in the middle of your back

This phenomenon is generally considered to be caused by diseases such as lumbar back muscle strain, myofascitis, ankylosing spondylitis, etc. It can also be considered to be caused by improper sleeping posture, soft mattresses, etc. You need to go to the orthopedics department of the hospital in time for CT, X-ray, ESR and other examinations.