IFLScience We Have Questions: Why Are Yawns Contagious?

It’s perhaps one of the greatest injustices of human bodily functions that the yawn has become so stigmatized in social settings. Crack one out and you’ll likely receive accusations of being bored or rude. It seems ironic, really, because the science of yawning tells us that, if anything, it’s a sign you’re trying harder to pay attention.

That’s what we discovered when we sat down with Dr Andrew Gallup, Teaching Professor of Behavioral Biology at Johns Hopkins University and a bit of an expert in yawning. We wanted to find out why this open-mouthed action seems to be so incredibly catching, and discovered along the way that there’s a hell of a lot going on when we yawn.

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