Drinking coffee after a meal will help with digestion. The caffeine in coffee makes the muscles of your intestinal tract contract more frequently. This in turn helps waste and food move along more quickly. The longer food is in your intestines, the more weight you will gain.

Why do people have espresso at night?

“Even though espresso carries less caffeine than filter or other coffee methods, the concentration is much higher, so your body absorbs less caffeine but in a much shorter time than filter coffee—which is usually sipped for minutes,” Milos says. “Therefore, espresso's effect is stronger to our senses.”

Why do people drink coffee after dinner?

Many believe it helps with digestion. Others claim it's an appetite suppressant, therefore reducing the chance of snacking after a meal. Others say the bitterness of espresso contrasts perfectly with the sweetness of the dessert, so perfectly rounds off a meal.