Medical experts say you should not drink more than 1500ml water within an hour. That is, about three 500 ml bottles or six glasses in an hour.
Water intoxication. It mild cases, it leads to lethargy and nausea; but in severe cases, symptoms are seizures, coma and in rare cases: death
A person can die from drinking too much water. But the chances of this happening are rare.
If you stay hydrated, your skin appears fresh. Efficient oxygen supply in body cells make you feel energetic.