Merely thinking about or seeing someone yawn can make you yawn (you’re probably yawning right now). Most people yawn because they’re tired, but it can also happen unexpectedly and without any triggers ...

A new paper finds that yawning is indeed contagious—and that any attempts to stifle that yawn will only make the urge even stronger. You’ve probably experienced the phenomenon yourself — you see ...

Have you ever wondered why yawning is contagious? It may be a way to bond with your fellow human being, but scientists have other theories. We’re one sentence into this story and I’ve already yawned ...

Discover why yawning leads to watery eyes, exploring the role of facial muscles and lacrimal glands in tear production.

It happened this past week -- a yawning gap in our knowledge filled at last. Humans do it ... chimps do it ... even educated dogs do it. We all do it: We all tend to start yawning when we see, or even ...

Is it true that we yawn when our brains are deprived of oxygen? Most of us can feel a yawn coming on. The muscles in our jaw begin to tighten, our nostrils might flare, and our eyes might tear up as ...

Since yawning can prompt alertness, the idea is that we perhaps evolved to use one another as indicators of when we ourselves should yawn to trigger a more vigilant brain.

Simply looking at the word can stimulate a yawn. I’m actually yawning while typing this piece. Interestingly, all vertebrates — a living being with a spinal column — yawn. Vertebrates include mammals, ...

For patients with migraine, repetitive yawning may accompany or precede a migraine attack, new research shows. "Although yawning is a rather frequently seen behavior, it is a unique and reliable ...

Contrary to common belief that the yawning contagion is associated with empathy, it is in fact, more likely that perceptual sensitivity is to blame, research suggests. Contagious yawning is a ...