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 ...

Why do we yawn? Yawning is a universal gesture. Everyone yawns, from babies still in their mother's womb to the elderly. However, the exact reasons for this reflex are not well understood. Is it just ...

Have you ever realized how easily influenced we can be to yawn? Have you ever asked yourself why we yawn in the first place? Did you know that by just reading the word "yawn" you can trigger the need ...

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 ...

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 ...

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 ...

Yawning is a normal human reflex, but scientists are still not sure why it happens. Some people find that their eyes water when they yawn. This may be due to pressure on the tear glands or eye fatigue ...

Humans yawn from their earliest days–even babies still inside the womb can yawn. Photo by Flickr user Björn Rixman Snakes and fish do it. Cats and dogs do it. Even human babies do it inside the womb.