Does looking at an image of a person yawning make you yawn? About half of adults yawn after someone else yawns due to a universal phenomenon called “contagious yawning.” Contrary to popular belief, a ...

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The most scientifically backed theory about why we yawn is brain temperature regulation. Inhaling air can help cool brain temperature down. Even thinking about yawning can cause you to do it. It’s ...

A yawn is an involuntary reflex that involves opening the mouth wide and taking in a deep breath, followed by a slow exhale. Several theories exist about why we yawn, but researchers have not proven ...

Yawning may seem like a normal way to show that you're tired or bored, but it can sometimes tell you more about your health than you think. Sometimes yawning is normal, but yawning a lot could mean ...

It took scientists six months to train Alexandra the red-footed tortoise, but by midsummer 2009 she’d finally learned to fake a yawn. A formal experiment came right after. Once per day for several ...

Beyond mere tiredness, frequent yawning might signal serious health concerns. Research links excessive yawning to neurological disorders like epilepsy and stroke, potential issues with your autonomic ...

Christine Calder does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Contagious yawning isn’t a myth. It’s a real, scientifically demonstrable phenomenon. We yawn when we see someone else yawn. The sound of yawning makes us yawn. The yawning contagion can even spread ...