I had a severely stressful job that I left almost a year ago. Before I stopped working, I developed insomnia that has continued to this day. I feel as if I am stuck in "fight-or-flight." Even if I do sleep through the night, I always wake up tired. When I mentioned to my doctor that I am so tired there are times I feel like I have the flu (including muscle aches) he suggested that I might have an autoimmune disease such as lupus, chronic fatigue, or fibromyalgia. After the appointment, I went home and read up on all three. When I read about CFS, it was as if I was reading about me. As I had recently had a physical with all normal blood work, the doctor ordered one test, an ANA antibody, which has since come back normal. I have two questions: 1. Does a negative ANA test mean you can't have CFS? 2. Does anyone have any suggestions on where to go from here?