Drink milk half an hour before bedtime. Because milk contains L-tryptophan, a substance that makes people tired and sleepy, and traces of morphine, which has a certain sedative-hypnotic effect;

Calcium in milk also clears tension. In addition, after a person falls asleep, the level of calcium in human blood will slowly decrease, and this before drinking into the milk just to replenish the loss of calcium in the blood, maintaining the balance of calcium in the blood, so drinking milk before bed is conducive to calcium absorption.

Drinking milk should be careful not to drink milk on an empty stomach.

At breakfast time, it is not possible to drink milk on an empty stomach. Because milk is fluid, if you drink on an empty stomach, it will be quickly discharged from the stomach, the protein and other nutrients into the intestinal tract without fully digested, it is easy to be broken down into energy consumption, but also easy to exacerbate the symptoms of lactose intolerance.

So breakfast should be eaten first starchy food, such as steamed bread, bread, corn porridge, beans, etc., and then drink milk an hour or so later, in favor of milk nutrients more fully absorbed.

The above references? People's Daily Online - What is the healthiest time to drink milk? After breakfast Half an hour before going to bed