My history is that I had some post traumatic stress a while ago and my mind got scattered somewhat. I think maybe that a part of my brain fused or something. At least thats what it felt like. I lived in a high stress part of the world for a couple of years. I often find myself unable to relax fully as I did before. I am wondering how to reset my hpa axis. I think a good level of my fatigue is because of my inability to reset this part of me. I know rest (physical but mostly mental rest) is the main key, but are there supplements that can help with this issue? I did try a medication that increased brain blood flow and that seemed to have a positive affect until I got some side-effects concerning my heart rate and was worried enough to stop, but mentally I think I improved. So next I tried Huperzine/Vinpocetine and Ginkgo, but that didn't have the same affect. Any comments?