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 mirror ...

Try to stifle a yawn while learning about yawns. We dare you.

Contagious yawning is a widespread phenomenon that extends beyond merely being a sign of drowsiness; it is a behaviour interwoven with both physiological regulation and social communication. Recent ...

Yawning seems like such a simple act, yet it holds surprising power over us. Just watching someone yawn — even a stranger — can suddenly trigger the irresistible urge to yawn yourself. Why does this ...

You are sitting at home, watching TV. You yawn. Your partner tries to resist, but can't, and soon he or she yawns, too. It's not just in your head: Yawning is contagious, not just in humans but in ...

Yawning has an unusual and unexpected effect on the flow of fluid protecting the brain, a recent study reveals, though it's ...

Yawning isn’t the only bodily function that’s contagious. Japanese scientists have discovered that chimpanzees are more likely to urinate when they see other primates going No. 1 as well, as detailed ...