Before running, when you get up every morning, you'd better drink a cup of 250cc cold boiled water, the water temperature is 10℃ in winter and about 20℃ in summer. Because after a night's sleep and rest, the body loses a lot of water due to breathing, urination and skin evaporation, resulting in insufficient blood volume, increased blood viscosity and stagnant microcirculation. At this time, the boiled water drunk on an empty stomach in the morning will directly flow out of the digestive tract and be easily absorbed by the body. First, it can clean the stomach, stimulate and promote gastrointestinal activities, and enhance digestive function; Second, the gastrointestinal tract has been emptied in the morning. Drinking water at this time can make the stomach awake immediately, stimulate peristalsis and prevent constipation. At the same time, because drinking water is absorbed quickly, it is also beneficial to blood circulation; Third, drinking water in the morning can enhance the excretion function of the liver and promote metabolism; Fourth, insisting on drinking water in the morning can also effectively dilute blood, reduce blood viscosity, reduce hypertension, prevent the occurrence of cardiovascular and cerebrovascular diseases, make people refreshed and clear-headed, thus improving the body's disease resistance.
It takes ten minutes from getting up to drinking water to exercising. Most people don't have to eat other food before exercise.