Yes Chronic stress contributes to a lot many issues. I am here sending you some links of YouTube which will aid to to come out of the fatigue, pain n sleep issues. The permanent solution is to resolve the matter creating stress or accept it. You can take online consultation with me if required. PMR - https://youtu.be/ihO02wUzgkc When done regularly twice a day, this exercise gradually alleviates the anxiety and is a sure shot method to relieve anxiety. But should be done religiously. Make a self rating scale of 0 to 10 where 0 = absence of anxiety , 10 = highest level of anxiety experienced. Each time you set yourself to do this exercise - note your anxiety level on 0 to 10 scale in a copy. Do the rating before exercise and after the exercise. Twice daily. Thus in a day u get 4 readings. Tai Chi - https://youtu.be/cEOS2zoyQw4 Tai chi is a form of exercise specifically to direct your hyper energies to slow down and channelize your anxious and stress energy to Love Energy. It is a tested and tried exercise to alleviate stress and anxiety. Anxiety Healing Music - Search -   Marconi on youtube Mantra to Improve Focus - https://youtu.be/oreeaofi4Bg OM jaap is one such mantra which allows your vibrations to become positive and aligns you to cosmic rhythm itself for ease in life. 

Could be chronic stress. Need to investigate further What are you stressing about let's try to adress that Consult with me or any psychologist for therapy and counseling online or in person All the best