Do You Really Need 8 Cups Of Water Per Day?
By Thom Watts·September 14, 2026
Forget the pressure to drink eight glasses of water a day like you’re training for the Hydration Olympics.
That whole “eight 8-ounce glasses” thing is really more of a guideline that got simplified somewhere along the way. Your actual fluid needs depend on stuff like your size, activity level, the weather, what you eat, medications, and whether you’re sweating through a Missouri summer afternoon.
The big thing: fluids don’t only come from plain water. Coffee, tea, milk, soups, watermelon, cucumbers—even those grapes you keep “sampling” from the fridge—count toward hydration.
Water is still doing plenty behind the scenes: keeping body temperature in check, helping digestion, moving nutrients around, lubricating joints, and helping the brain stay reasonably cooperative.
An easy reality check? Pale-yellow urine usually means things are going fine. Dark urine, dry mouth, headache, dizziness, or feeling unusually wiped out can be your body’s polite little memo to drink up.
So keep water nearby, add lemon or fruit if plain water bores you, and don’t obsess over eight glasses. Hydration isn’t a math test.
Source: Martha Stewart
Photo by Nicolas Ruiz on Unsplash