DRINKING A LOT OF WATER WILL NOT HYDRATE YOU

Dr. Berg recommends that you drink no more than 1 to 1.5 liters of fluid per hour. If you are exercising or sweating a lot, you will need to drink more fluids, but you should also make sure to replace your electrolytes. You can do this by drinking sports drinks or by adding salt to your water.
People with certain conditions, such as kidney stones, should drink at least 2 liters of fluid per day, even if they are not thirsty. This is because drinking fluids helps to flush out the kidneys and reduce the risk of kidney stones.
Overall, it is important to pay attention to your thirst and drink when you are thirsty, but you should not go crazy with too much water. If you are concerned about your hydration levels, you should talk to your doctor.