As you’re likely already aware, obesity is, quite literally, a growing epidemic in the United States. You’ve heard it all before: more sedentary lifestyles, oversized food proportions and lack of access to healthy foods contribute to a nation-wide public health problem.

Our genes have a tremendous influence on many aspects of our lives, affecting everything from the color of our hair to our personalities. But have you ever thought about the fact that genes can play a role in your sleep, too?

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