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I have a unique trait – the ability to yawn at the most inopportune of moments! This involuntary ability of mine had almost got me in trouble in college during classes of attentive professors. A friend was reminded of a hippo when he found me stretching my mouth wide open to yawn. And, yawning is contagious. So, have you begun to yawn already?

Why and when do we yawn? Do we only yawn when we are bored or sleepy? Well, there is much more to yawning – in fact, yawning could be an action to prepare us for attentiveness – or so this article says –