Water is the source of life. People may be able to survive without eating for seven days, but if they do not drink water for three days, it will affect their safety. Hydration is very important for human beings.

How much water should a person drink each day?

Generally speaking, the water lost by the human body through urine, sweating, or skin evaporation is about 1800-2000ml each day. Subtracting the 1000-1200ml of water taken in by food in three meals, we only need to drink an additional 1500ml of water each day, which is enough.

The general principle is to drink no less than 500ml a day, but no more than 3000ml. People who need more water, such as gout and kidney stone patients, should follow the advice of their doctor.

What are the benefits of drinking more water?

1. Treatment of constipation

Constipation plagued many people, this time gulp a few mouthfuls of water, pay attention to the swallowing action should be faster so that the water is drunk into the colon as soon as possible to stimulate intestinal peristalsis, to promote defecation.

2. Drink water half an hour after meals can reduce fat

The body's metabolism needs enough water to carry out smoothly, and many chemical reactions in the body are carried out with water as the medium.

The body's digestive function and endocrine function needs water, and metabolic products of toxic substances also rely on water, so drink more water to ensure that the body's water is sufficient to avoid disorders of gastrointestinal function.

Drinking a glass of water half an hour after a meal can strengthen the body's digestive function and help maintain the body.

3. Drink more water to relieve irritability

The adrenaline produced by the brain is called the "pain hormone", when a person feels pain, and irritability, adrenaline will spike.

Adrenaline, like other toxins produced by the body's metabolism, can be eliminated from the body by drinking more water.

4. A glass of water before bed helps you sleep

Thirst often makes people wake up from a deep sleep, and lack of water in the body will make people feel irritable, unable to sleep well, can not get deep sleep, it is recommended to drink a small glass of warm water before going to bed, more help to improve the quality of sleep.

In addition, for people with a bad heart, a glass of water before bed can prevent angina, myocardial infarction, and other diseases of sudden onset.

5. A glass of water in the morning to cleanse the stomach and intestines

After a night of digestion, the gastrointestinal tract has been emptied of food, early in the morning a glass of warm water can cleanse the stomach and intestines, flush stomach acid, and reduce the stimulation of the stomach so that the stomach and intestines have a very good state.