How much water should each person drink?
Regular folks should drink 3 to 4 liters of water a day. That's how much women at home and people who don't work too hard should drink.
Students, people who go to work, and those who work in AC rooms should drink 2.5 to 3 liters of water a day.
People who are out and about a lot, like laborers working in the sun, should drink 4 to 5 liters of water a day.
People with health problems like kidney, heart, or sugar issues should ask their doctor how much water they need to drink.