We’ve all been there– sitting in a meeting, reading a book, or daydreaming when someone nearby yawns. Suddenly, you yawn too, ...

Yawning is more than a sign of boredom or fatigue—it can indicate underlying health issues like sleep disorders, brain ...

Yawning can occur for various reasons, such as fatigue, cooling down the brain, releasing tension, medical conditions, and ...

One theory is that by moving the muscles in the face and neck, yawning stimulates the carotid arteries in the neck, increasing blood flow to the brain and waking it up. Additionally, a 2012 study ...

Seeing or hearing someone yawn can make you yawn. This phenomenon is not limited to humans; some animals experience contagious yawning, too. But why is yawning contagious? Brain cells called ...

Much like a computer, the study shows that our brains operate more efficiently when they are cool; yawning is an effective way of increasing blood flow and intake of cooler air.

Find yourself yawning a lot? Do you need that third or ... heart and kidney disease, high blood pressure, obesity and stroke, experts say. “With one-third of U.S. adults reporting they ...

Bournemouth University neuropsychologist Simon Thompson is an expert on yawning. In 2011, he posited that high levels of the stress hormone cortisol may be a direct cause of yawning. “We believe that ...