i cant stop sleeping. i sleep the vwhole night but when i wke i feel groggy im ok for a couple of hours after waking but then suddenly i cant keep my eyes open. i feel like i am drunk. when i drive i have to pull ovedr if im realy bad or i have gone to sleep behind the wheel. but i am sleeping up to 3hrs a day and then still feel sleepy after iv slept. i feel i cant function. it stops me from doing just every day things ans is staing to get me depressed. thank you