Honey has been used as a hangover prevention for centuries! After too many drinks, have a tall glass of water and some toast with butter and honey. One tbsp of honey should be enough.
Bread helps digestion. The fat from butter sticks to the stomach lining, slowing down the absorption of alcohol into the bloodstream. Honey helps burn alcohol faster by giving the body sugar to metabolize. Honey also prevents the sudden change in blood sugar levels preventing the morning after headache. If you don't have any honey around, the fructose in tomato juice is second best.