The best choice for the first cup in the morning: fresh boiled water at 20-25℃, at least 2.5 liters per day, 7-8 glasses of water. It is best not to drink juice, cola, soda, coffee, milk and other drinks in the first glass of water in the morning. This is because most carbonated drinks such as soda and cola contain citric acid, which will accelerate the excretion of calcium in metabolism and reduce the calcium content in blood. Long-term drinking will lead to calcium deficiency. Other drinks have diuretic effect. Drinking water in the morning can not only effectively replenish the water that the body lacks, but also increase the body's demand for water, thus causing water shortage in the body.

Get up with a glass of water.

Early morning can be said to be the best time to replenish water in a day, because drinking water in the morning can immediately wake up the stomach and stimulate peristalsis.

Prevent constipation, and more importantly, after a long sleep,

When the blood drug concentration increases, supplementing water at this time can quickly reduce the blood drug concentration.

Degree,

Promote circulation, make people feel refreshed and awake.