I wasn't diagnoised with it but i also very tired. I get 12 hours of sleep at night and pass out ont he couch in the afternoon. I seriously can't help it. I always feel like i havn't slept in weeks and that i am exhausted. I try to keep myself awake but it doesn't always work. it is a horrible way to live. Coffee won't even touch me now it's gotten so bad. hang in their. I hope doctors can find a way to help.