It's good. Milk can help you fall asleep as soon as possible. Because milk contains L- tryptophan, a biochemical substance that can make people feel tired and sleepy, it has a certain sedative and hypnotic effect. L- tryptophan is the main raw material for synthesizing hydroxyl color in the brain. Serotonin plays a key role in brain sleep, which can temporarily inhibit brain thinking activities, thus making people want to sleep, without any side effects. Moreover, milk can be absorbed on the stomach wall, and calcium in milk can also eliminate tension, so it is more beneficial to the sleep of the elderly. So drinking milk at night is good for people's rest and sleep.

Drinking milk before going to bed is beneficial to the body's absorption and utilization of calcium. Most of the calcium taken in dinner is absorbed and utilized by the human body before going to bed. After sleep, especially after midnight, the level of blood calcium will gradually decrease, and the decrease of blood calcium will promote hyperparathyroidism. Hormones will act on bone tissue, so that part of calcium in bone tissue will be dissolved into blood, and the stable balance of blood calcium will be maintained. This dissolution is a self-regulating function of human body, which will become one of the causes of osteoporosis after a long time. Drink milk before going to bed at night. Calcium in milk can be slowly absorbed by blood, and blood calcium can be supplemented to maintain the balance all night, so there is no need to dissolve calcium in bones to prevent bone loss and osteoporosis. Therefore, drinking milk before going to bed is beneficial.

As for whether you will be fat, first of all, it depends on what milk you drink. If it's whole milk, of course it will be fat, but don't worry too much. Health is the most important thing.