It also helps keep the body awake by stretching the face muscles, widening the jaw, and also stimulating blood circulation.

Suddenly, you yawn too, almost like a reflex. But why? Is yawning just your body’s way of saying you’re tired, or is there more going on? In this article, we’ll explore the science behind ...

One of the most common yet enigmatic human actions is yawning. When we're bored, exhausted, or even just notice someone else yawning, we do it. Excessive yawning is usually innocuous, but ...

Source: Clipart division of Vital Imagery We know ... however the function of a yawn is still far from clear. The fact that yawning involves a gulp of air led many scientists to think that its ...

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 ...

Yawning may help cool down the brain When temperatures in the brain rise above its baseline — because of increases in mental processing while focusing on a task, exercising or being anxious or ...

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 ...

Yawning is a universal phenomenon, observed in many vertebrate species, from wolves to parrots, and, of course, humans, from a very early age.But why do we tend to yawn when we see someone else ...

Yawning happens when you open your mouth, take a deep breath and take in air without even thinking about it. You might be tired, bored or waking up. Most people yawn six to 23 times a day – even ...

Yawning occurs in just about every vertebrate animal. And yawning in many animals, including birds, is frequently associated with drowsiness. But not exclusively. For example, while most species ...

Yawning may help you keep a cool head—literally, a new study suggests. The findings might hold some hope for sufferers of insomnia, migraines, and even epilepsy. Though scientists have put forth ...

Is it true that human yawns are contagious to dogs? Some dog owners swear that when they yawn, their dog does, too. And they may be right. Contagious yawning is a well-known phenomenon among ...