If you missed it, read the down-low on what Greatist's Renew Year Challenge is all about.

Get up and gulp down. Make sure you stay hydrated all day long by drinking a glass of water every hour.

Hydration-challenged? Here are 12 unexpected reasons why drinking water is good for your health. (Sneak peek: it can ward off fatigue like coffee and other caffeinated beverages!)

Once you’re filled up, make sure to share your success on Twitter!

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