It's sucks I no. U need to nag the Dr abit I think mate.ask for something to help you sleep first of all. I no what your thinking .but I sleep all the time.
Well if your not going into all stages of sleep properly then u could sleep for a week and still be tired.
I'm on amitriptoplin to help me sleep .ive been none to stay awake for days.but it does help me sleep much better then I did. And that what helps heal your body.x