Hi Pono,
Sorry to hear that you are feeling bad. You're not alone. I had a concussion about 8 months ago whilst doing sport. I went back to training after about 10 days because I felt fine and the doctor gave me the all clear but then a few months later I started feeling very tired and started getting headaches all of a sudden. I had an MRI scan done and that came out as fine and was diagnosed with PCS. Since then I have been needing much more sleep than normal, got poor concentration and now that it's been so long, I'm getting fed up with it all. Some days I feel so tired that it's hard to get up and do anything useful at all which makes life depressing because I can't go out and see friends, work or otherwise enjoy myself. There are days when I do feel more awake and that gives me hope that it will end sometime but then I get a bad day again and it's like it's all starting again.
Has anyone recovered from PCS? What is your story and how long did it take?