I've also found this to be the case, I used to sleep 3 hours per night, take an hour nap afterwards, and on weekends I'd sleep 12 hours or so per night. My aver

I've also found this to be the case, I used to sleep 3 hours per night, take an hour nap afterwards, and on weekends I'd sleep 12 hours or so per night. My averages sleep per week was 55 hours, or about 8 hours per day. It all evened out on a weekly basis, although I don't think sleep is supposed to work that way...