Help, I've fallen and can't get up

Well, that's what I was saying last night when I rolled right out of bed. I had been asleep for less than an hour, I remember dreaming, then the next thing I knew I was on the floor! There's not much space there, I called for Pat to help me but he was still in the family room and didn't hear me, I thought he was already in bed, because at first it seemed like it had been hours since I had fallen asleep, until I looked at the clock anyway. It took me awhile to figure out how to get myself off the floor and back into bed. I hit my knee on my landing, so I couldn't put weight on it, and I have a hard enough time trying get up from the floor when I'm fully awake, because of my stupid back.