You've all heard the saying, "Beer before liquor, never sicker. Liquor before beer, in the the clear." Well, according to research analyzed by the BBC, this adult nursery rhyme – meant to save you from spending a day in bed with a hangover – is totally untrue! Nope, what you drink and in what order makes no difference when it comes to a next day hangover. It's how much you drink that makes a difference. The more alcohol you…