Ultimately, it’s more about paying attention to your body.
How to know if you need extra H2O?
You also can always look to your toilet bowl.

“If your urine is light yellow, you’re probably getting enough fluids.
Oh, and FYI, water isn’t the only thing that’s good for hydration.
“Your body absorbs water in foods just like it would liquids,” Levinson revealed.

Yogurt, which is actually 88 percent water.