It is usually possible to drink water at night to lose weight. Water is an important component of the human body, accounting for about 70% of an adult’s body weight. Drinking water has many benefits, such as replenishing the body’s water needs, maintaining blood volume and concentration and participating in metabolism. 1. Water is an important component of the body’s needs, drink more water during weight loss is a great role, adults try to reach about 1500mL of water a day, try to ensure that a glass of water 200mL, up to eight cups of water a day, the daytime water consumption is less people need to drink water through the night to achieve the total amount of the above. Weight loss people should drink more water in the morning, in the evening is also can be appropriate water. Of course, weight loss night drinking water or need to control, weight loss night excessive drinking water will lead to increased urination and affect the quality of sleep.