1, after a night's sleep, the blood will be sticky, resulting in slow blood flow. A cup of warm water in the morning can dilute viscous blood, thus reducing blood viscosity and promoting human blood circulation.

2, in addition, drinking a cup of warm water can promote the metabolism of cells, let the body wake up from sleep, and have a refreshing effect.

3. Drinking a cup of warm water can also replenish water to the skin, because people will sweat during sleep and the water is constantly losing. Drinking a cup of warm water in the morning can replenish the water lost during sleep and give cells water, making the skin look full and more elastic. Drinking a cup of warm water in the morning can also promote the discharge of toxins.