Drinking red wine before going to bed can provide the body with calories as well as carbohydrate nutrients, but drinking alcohol is harmful to health, and drinking red wine before going to bed is also harmful to health. Red wine contains a certain amount of calories and nutrients, each 100 milliliters of red wine contains 69 calories, of which 0.2 grams of protein, calcium 7 milligrams, 0.2 milligrams of iron, but also contains polyphenols and other antioxidants, as well as more sugar and so on. Although there are some nutrients in red wine, but still do not advocate drinking red wine, especially excessive drinking red wine, because red wine contains a certain amount of alcohol, any alcohol intake is harmful to health. If you must drink red wine before going to bed, it is recommended that you control your intake of red wine, which should generally not exceed 15 grams of alcohol per day. Most red wines are between 10 and 15 degrees. Red wine intake is not recommended to exceed 100 milliliters a day is more suitable. Pregnant women, lactating women, men and women preparing for pregnancy, and children should not drink red wine.