They're not bored, they're just cooling their brains

So what if your attendees yawn their way through the keynote. It's not a bad thing, according to this article, Yawning May Boost Brain Power. In fact, it says,

According to psychologists Andrew Gallup and Gordon Gallup of the State University of New York at Albany, that is why we yawn: to boost blood flow and chill the brain.





Not only that, brain-cooling explains why you can "catch" a yawn, says Gordon Gallup. "We think contagious yawning is triggered by empathic mechanisms which function to maintain group vigilance." In other words, yawn-catching evolved to help raise the attentiveness of the whole group."

Well, I've learned my new thing for today.