Go outside and do stuff. Yesterday, I shoveled snow, and afterwards, I was exhausted and my back hurt like hell. I took 1,000 mg of ibuprofin, ate some food, and today I'm a new man. Historically, this is the best remedy I can remember working for me personally. I remember back when I was living at my parents' house, and I was out drinking beer all night, and my Dad woke me up to do chores. I was out in the field in the hot sun shearing Christmas trees or something. For about an hour or so, it was pure hell. However, after some food, lots of water, and a quick nap, I was cured. The best way to cure a hangover, IMO, is to prepare your body before you start drinking, and if possible, try and stick to one kind of drink all night. Obviously, too much of any one kind of drink, and it won't matter. Also, try and pace yourself. Another thing, it's not always how much you drink. Too much beer too fast can give you a killer headache the next morning.