Your symptoms are characteristic features of. Fibromyalgia . It is manifested with muscle pain and stiffness , Neck and shoulder pain is the main clinical feature . Presence of tender points , fatigue , sleeplessness are all associated with the syndrome . The treatment comprises of physical therapy , analgesics , rest and a stress free environment . Exercises like swimming , walking , stretching , cycling not only help to condition the muscles and reduce stiffness but also boost energy levels and help in sleep . Heat application also reduces the pain and stiffness . Medicines consist of antidepressants and analgesics . Lyrica , an anti seizure medicine has proved very helpful in controlling the symptoms . Please consult a pain specialist and rheumatologist for the management of symptoms . Hope this helps you . Take care and regards !