It probably comes as no surprise that yawning is contagious. If you hear or see someone else yawn, there’s a good chance that you’ll want to yawn yourself. More specifically, contagious yawning is a ...

If your head is overheated, there's a good chance you'll yawn soon, according to a new study that found the primary purpose of yawning is to control brain temperature. Subscribe to read this story ...

Yawning is a phenomenon that has been observed in humans and animals, and, despite its prevalence, it remains poorly understood in humans. Yawning happens reflexively. When you yawn, you take in a ...

If that involuntary action seems to yield a welcomed head-clearing effect, new science suggests that just might be true.

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 ...

The phenomenon of contagious yawning has been analyzed by researchers for many years. Though many believe yawning increases oxygen supply to the brain, researchers publishing in Physiology & Behavior ...