The best night to drink milk, because milk contains a biochemical L tryptophan, which can make people tired and sleepy, as well as traces of morphine-like substances, these substances have a certain sedative-hypnotic effect, especially L tryptophan, which is the brain synthesis of hydroxycolors of the main raw materials, five hydroxytryptophan on the brain plays a key role in the role of sleep, which enables the brain to think about activities temporarily suppressed, thus making people want to sleep, and without any side effects. It can make the brain thinking activity is temporarily inhibited, so that people want to sleep, and without any side effects, and milk sticking to the stomach wall absorption is also good, milk in the calcium can also clear the tension, so it is more beneficial to the sleep of the elderly, so drink milk at night is good for people's rest and sleep.

Drinking milk before going to bed is conducive to the absorption and utilization of calcium.

Calcium ingested at dinner is mostly absorbed and utilized by the body before bedtime. After sleeping, especially after zero o'clock in the evening, the level of calcium in the blood will gradually decrease, the decline in blood calcium, promote the parathyroid gland secretion of hyperactive, hormone action in the bone tissue, so that a part of the calcium salts in the bone tissue, dissolved into the blood, in order to maintain a stable balance of blood calcium. This dissolving effect is the body's self-regulation function, over time, will become one of the causes of osteoporosis. Drinking milk before going to bed at night, the calcium in milk can be slowly absorbed by the blood, the whole night blood calcium has been supplemented to maintain the balance, do not have to dissolve the calcium in the bone, to prevent bone loss, osteoporosis, so drink milk before going to bed is good.