Mix and serve drinks yourself or designate a bartender. Guests usually drink more when they serve themselves. Best bets are meats, vegetables, cheeses, and breads. Avoid salty, sweet or greasy foods, because they make people more thirsty. Don't plan physical activities.
People are more prone to injury or mishap after drinking.
Stop serving alcohol at least an hour before the party ends. Don't rely on coffee to sober guests up. The liver processes about 14 millilitres of alcohol per hour, coffee or no coffee. Encourage guests to name designated drivers, leave their cars at home, take public transport or cabs, or walk. Have cash and taxi company phone numbers ready.