When you first wake up and emerge from the post-sleep haze each morning, what do you do? What about first thing when you get to the office? If you’re anything like me, you (sloooowly) hit the coffee pot, check your Facebook news feed, read a blog or two, and just generally “ease in” toward the tougher tasks on your to-do list.

Well, we’re doing it super-wrong. According to a new Ask Me Anything interview on Reddit, Duke University behavioral scientist Dan Ariely says we’ve all got a short block of time every morning—roughly the first two hours after wake-up—where we’re most cognitively capable of getting work done. And most of us totally waste that time.

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“One of the saddest mistakes in time management is the propensity of people to spend the two most productive hours of their day on things that don't require high cognitive capacity (like social media),” he says. “If we could salvage those precious hours, most of us would be much more successful in accomplishing what we truly want.”

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It might feel difficult at first, but instead of “easing in” with Twitter and gab with your cubemates when you get to the office every morning, try to hit the ground running instead. You might find out you’re getting more done than you ever dreamed.

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