If you are healthy, the elderly should drink water at least four times a day. "Getting up in the morning is the best time to replenish water, because after a night's sleep, most of the water in the body has been consumed. Drinking water at this time can not only reduce the viscosity of blood, but also lubricate the intestines and facilitate defecation. In the morning 10 or so, you can drink more 1 time to replenish the water consumed by morning activities or lost by defecation, but it is best not to drink a lot of water before lunch, otherwise it will affect your appetite. Around 4 pm, people have been active for a long time, and the water in their bodies is taken away by the heat generated at noon. Drinking water at this time can replenish the water consumed in afternoon activities. Around 8 pm, it is the best time to drink water before going to bed. At this time, most of the food moisture in dinner has been consumed. Drinking water can dilute blood, which is conducive to promoting blood circulation at night and avoiding water shortage at night.

The amount of drinking water every day should be guaranteed to be 2000-3000 ml, and only in this way can the balance of water in human body be maintained. But drink water and avoid overeating, especially some people with poor heart function. Don't drink too much water at a time. Drink it several times in moderation, preferably not more than 500 ml each time. Therefore, when drinking water at the above time, it is usually advisable to drink a cup of two or three hundred milliliters; At other times, water can be replenished from time to time, and finally the total amount will reach 2000 ml.