Drinking a moderate amount of milk before going to bed won't make you fat, but if you drink a larger amount of milk and it's whole milk, you may get fat.

In general, drinking milk before going to bed has more benefits, because the calcium ions in milk have a calming effect, so for insomnia patients, drinking milk before going to bed, can achieve the effect of calming, help sleep, in addition to drinking milk before going to bed is also conducive to the absorption of calcium, to prevent osteoporosis, especially suitable for middle-aged and elderly people.

Expanded information:

100g of low-fat milk calories in the 50-80 calorie, and 100g of rice has a calorie content of 110-150, so milk is not a high-calorie food. At the same time, milk is rich in comprehensive nutrition, can bring us high quality protein, calcium and other important trace elements, is very good for weight loss food.

The main component of milk is protein, which is mainly digested in the small intestine. Therefore, drinking a glass of milk before going to bed will not burden your energy consumption during the night and will free you from hunger when you wake up the next morning.

Baidu Encyclopedia-Milk