How much water do you drink? Normal people need about 1.5 liters of water every day, which is equivalent to about eight cups of 200 ml water if calculated by how many cups. But it also depends on the amount of personal daily activities. The reasonable method is to drink 100 ml to one hundred and fifty ml of water every 20 to 30 minutes. When to drink? The amount of drinking water during the day and at night should be equal. Don't drink too much water in an hour. Drinking less water before going to bed and drinking more water before going to bed is also the principle of drinking water correctly, because drinking too much water before going to bed will cause eyelid edema and nocturia, which will affect the quality of sleep. After a night's sleep, the body loses about 450 ml of water, which needs to be replenished in time in the morning. Therefore, drinking a glass of water on an empty stomach after getting up in the morning is beneficial to blood circulation and promotes brain lucidity. Drink plenty of water, enough is enough. Every system in the body needs to drink water-in fact, most of our bodies are water. More than 70% of human muscles, blood and brain are water. This is one of the key points to maintain a person's daily physiological needs, and most people don't get enough water. There are 10 abstracts about water function: 1. Never underestimate the value of water. Water has the functions of regulating body temperature, transporting oxygen and nutrients, taking away wastes, assisting liver and kidney functions, and dissolving vitamins and minerals. Everyone needs to consume 10 to 12 glasses of water every day to maintain the balance of body fluids. 2. Pay attention to dehydration According to Mayo Clinic and other leading health management organizations, even slight dehydration can cause health problems such as drowsiness and constipation. Symptoms of dehydration include loss of appetite, mild headache, dizziness and general calcium deficiency. This also proves that proper hydration can prevent some diseases, such as those in kidney calculi, and reduce the incidence of colon cancer. 3.8 is not a magic number forever. Drinking 8 glasses of 8 ounces of water every day is a standard rule, but you may need more, especially during exercise. The simplest way to calculate the body fluid requirement is to divide the body weight by 2. The figure you get is the amount of water you need to consume every day. If you are in doubt, you need to replenish plenty of water to avoid dehydration caused by hot, humid or too cold climate and high altitude. Especially when you are sick with a cold, especially when you have a fever, you need to supplement a lot of water. In addition, some weight management experts also believe that drinking a glass of water after each meal can reduce food intake and help digestion. 5. Pay attention to the invisible liquid boiled water is the best, but drinks such as milk and juice also have about 90% water content, so it can help you meet the water demand. Caffeine-containing drinks and alcohol are one kind of diuretics, so they will increase the loss of liquid, so they can't be counted. In fact, every time you drink a drink containing caffeine and alcohol, you should drink another glass of boiled water. 6. Drink water before symptoms appear. Many experts believe that if you wait until you feel thirsty to drink water, you will be slightly dehydrated. Drink a glass of water after getting up and a glass of water before going to bed. 7. Don't change your drinking plan. Have a plan to drink water regularly every day. Keep a cup or kettle nearby as a reminder, or write the time of drinking water into the daily schedule. 8. Drink plenty of water during exercise. In order to avoid dehydration caused by exercise and sweating, you must complete water supplement in the shortest time. The American Nutrition Association (ADA) recommends drinking two glasses of water two hours before starting exercise, and then drinking two glasses of water 15 20 minutes before starting muscle endurance exercise. During exercise, you need to replenish water every 15 to 20 minutes. 9. Drink sports drinks when exercising for a long time. According to ADA, the traditional weight control model in North America will provide a lot of sodium, potassium, chlorine and magnesium to replace the loss of sweat. However, if you exercise for more than an hour or in extreme climate, you need to consider taking sports drinks to maintain the balance of electrolytes and improve your body's absorption of liquids and carbohydrates to support energy supply. 10. Pay attention to additional abnormal symptoms. If you have abnormal thirst or frequent urination, seek the help of a doctor to find out the problem. The feeling of thirst and increased urine (quantity and frequency) may be symptoms of diseases, including different degrees of diabetes.