When is the best time to drink pure milk?
Generally speaking, there is no specific best time to drink plain milk. It is relatively appropriate to consume plain milk in the morning, before bedtime, or after exercise. The specific reasons are as follows:

During nighttime sleep, the body consumes energy, and in the morning, the body urgently requires nutritional replenishment. Drinking plain milk at this time is beneficial. Plain milk is rich in various nutrients such as protein, calcium, phosphorus, and vitamin A, which can supply energy to the body. Additionally, drinking milk with other foods during breakfast, such as bread or cereals, can help delay the absorption of lactose in milk through the carbohydrates in these foods, thus avoiding bloating or diarrhea.
Drinking plain milk before bedtime is also advisable. Milk contains tryptophan, an amino acid that can be converted into melatonin in the body. Melatonin is a hormone that regulates the sleep-wake cycle, helping to relax the mind and body, relieve stress, and facilitate sleep. Moreover, the blood calcium concentration is relatively low at night, allowing better calcium absorption from milk, which helps maintain bone health and prevent osteoporosis.
Drinking plain milk after exercise is also appropriate. After physical activity, muscles require repair and growth. The high-quality protein in milk provides essential nutritional support for muscle recovery and promotes muscle repair. At the same time, milk can help replenish fluids and electrolytes lost during exercise, aiding the body's recovery to its pre-exercise state.
It is important to consume plain milk in moderation during daily consumption and avoid drinking it on an empty stomach to prevent additional burden on the gastrointestinal tract. Individuals with lactose intolerance should avoid consuming milk.