drinking a glass of milk in the evening or half an hour before going to bed can soothe the nerves and promote sleep. A glass of milk before going to bed makes you fall asleep quickly.

As a kind of food with high nutritional value, it is difficult to play its due role if it is drunk less, and it is difficult to digest, absorb and utilize if it is drunk too much. The daily milk consumption should be determined according to age, work consumption and economic conditions. Generally speaking, adults should drink 4 ~ 5ml, that is, two bottles (two bags) of milk a day, but at least 25ml, that is, one bottle (one bag) of milk. Economic conditions permit the best three bottles (three bags) that is about 75 ml, but it is best not to exceed 1 ml. Simply put, it is "guarantee one bottle and strive for two bottles, preferably three bottles and no more than four bottles".