Keep hydrated for optimal functioning, and to avoid illness and false hunger signs.

• start with 11 cups a day
• drink when you’re thirsty and with all snacks and meals.
• always carry a reusable water bottle
• Consume more water if you are an athlete, or sweat often.

Water math recommendations from Common Sense Water Intake Guidelines From the Weekly Herald

One size does not fit all for daily water intake.  Follow your thirst and drink at meals will also aid digestion.  If  you are still finding yourself dehydrated here are some rough, yet specific guidelines:

START: 11 cups
IF YOU’RE A MAN: Add 4.5 cups
EXERCISING FOR AN HOUR: Add 2 cups
IF PREGNANT: Add 1.25 cup
IF BREAST-FEEDING: Add 4.5 cups

Alcohol, illness, heat and other factors can increase the amount of fluids you need.  Moisture in food, especially fruits and veggies, can account for about 20 percent of total water intake.

Sources: Institute of Medicine, Mayo Clinic.