Yawning is a familiar gesture. It often appears when one is tired or when changing states of alertness, for example at the moment of falling asleep or waking up. However, it has a unique aspect: ...

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 ...

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 ...

Brain scans show yawning may push fluid out of the brain and boost blood circulation, hinting that yawns help refresh the ...

I read recently an explanation for yawning that is plainly wrong. The same idea has surfaced regularly over the years. Any idea, good or bad, is hard to kill. Yawning by this account is performed in ...

Yes. You’re probably going to yawn while you read this. Writing this piece, and reading research on yawning, I’ve been yawning nonstop, uncontrollably. And it's not because research on yawning is ...

Humans aren’t alone when it comes to yawning — all vertebrates do it too, including fish, amphibians, reptiles, birds and mammals. But why? The “evolutionarily ancient” act of yawning likely serves a ...

Have you ever noticed how one yawn can trigger a cascade of yawns in a room? Researchers uncover that this isn't just ...