If the heart is not good, you can develop the habit of drinking a glass of water before going to bed, which can prevent diseases that are prone to occur in the early morning, such as angina pectoris and myocardial infarction. Diseases such as myocardial infarction are caused by high blood viscosity. When people are asleep, because of sweating, the water in the body is lost, which leads to the reduction of water in the blood and the blood viscosity will become very high. However, if you drink a glass of water before going to bed, you can lower the blood viscosity and reduce the risk of heart attack. So a glass of water before going to bed is life-saving water.

Drink more water than usual when you have a cold. Every time you catch a cold, you will hear the doctor say, drink more water. Because when we catch a cold, our bodies will sweat a lot, our breathing will become rapid, and our skin will evaporate a lot of water. At this time, we need to replenish enough water, and at the same time, our bodies will feel thirsty. Therefore, drinking more water at this time can not only excrete sweat and urine, but also regulate body temperature and let all viruses in the body be discharged.

People who have stomachache and drink porridge "water conservation", people who have stomach problems, or people who have an upset stomach can take porridge "water conservation" measures. If the temperature of porridge exceeds 60℃, it will produce a gelatinization. Soft and hot porridge will melt in the mouth and be easily digested, which is very suitable for people with gastrointestinal discomfort. The large amount of water contained in the porridge can also effectively lubricate the intestines, clean the harmful substances in the intestines and stomach, and bring them out of the body smoothly.

Normal people drink water and drain water every day in a balanced state. The kidney is the most important organ for regulating water metabolism, which has the function of concentrating and diluting urine, and maintains the specific gravity of urine between 1002- 1030. Drinking more water will make the urine thinner, reduce the specific gravity and increase the urine volume. Drinking less water will thicken urine and reduce urine output. Normal urine output is about 1500ml per day, which is similar to drinking water. The function of kidney to concentrate and dilute urine is controlled and regulated by antidiuretic hormone and osmotic pressure in the body, and there is a thirst center, so people will drink more water when they feel thirsty.