It helps eat less at lunch in obese people, that counts! good meal brings the first pleasure of the day to start a good days' life.
Time to enjoy first chat for family. Best is only natural food, nothing cooked [too high caloric] full fiber
, natural carbohydrate [not industrialized] and good drinks of fresh fruit juice. Nobody is obliged to drink a coffee to start a day = i work 36h straight witho.