Everyone is a bit different, some people are good in 6-8 hours of sleep and some need 2 days plus. I have a friend who has a turbo charged metabolism that never seems to get hangovers. He drinks 3 or 4 nights a week, eats all day long - weighs 120 lbs and always manages to get up before 10:00 am and be fine. I usually sleep through them if possible, til noon or later.
