The first glass of water in the morning is very important for the elderly, which not only supplements the water consumed by human metabolism all night, but also promotes blood circulation, reduces blood viscosity, promotes intestinal peristalsis and prevents constipation. After getting up, you can drink a glass of water on an empty stomach, because invisible sweating and urine secretion will lose a lot of water when we sleep. Even if you don't feel thirsty after getting up, your blood will still be sticky because of lack of water. So be sure to replenish water slowly as soon as possible after getting up.
Drinking water for the elderly can reduce the burden on the heart.
Old people don't drink water before going to bed at night, which will lead to the increase of plasma concentration, the increase of blood viscosity and the hyperfunction of platelet aggregation, which can promote the formation of thrombosis in the body. For the elderly or people with cardiovascular and cerebrovascular ischemic diseases, drinking a glass of water before going to bed at night can prevent fatal infarction. Drinking a glass of water 1-2 hours before going to bed at night can also prevent blood from thickening at night. It is important to drink more water at night. However, patients with heart failure and cardiac insufficiency should not drink plenty of water before going to bed, otherwise it will increase the burden on the heart.
Drinking water for the elderly can reduce the chance of getting sick.
Because the thirst center of the elderly is not sensitive to water shortage, the elderly should develop the habit of "drinking water often when they are not thirsty". Besides taking the initiative to drink water during the day, you should also drink a glass of water at night to dilute blood, reduce blood viscosity and reduce the occurrence of stroke. As the saying goes, "water is the soul", and water itself is a comfort to the human body. Sedative effect. Drinking a proper amount of water before going to bed can not only help the elderly calm down and fall asleep quickly, but also stay away from stroke.