Wellness - General Health | 0-18y

Why Do We Yawn?

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Why Do We Yawn? Biology For Kids

Have you yawned when you are bored and sleepy in class? You sure have! Have you noticed how people around you start yawning after you yawn? So, that would make yawns contagious. This is one of the many theories about why we yawn. Watching someone ...

The Surprising Science Of Yawning

In 1923, Sir Francis Walshe, a British neurologist, noticed something interesting while testing the reflexes of patients who were paralyzed on one side of their bodies. When they yawned, they would spontaneously regain their motor functions. In ca...

6 Things You Probably Don't Know About Yawning

We all do it, and we all know it has at least something to do with how tired we feel. But unlike sleep apnea or laptops in the bedroom, yawning is an aspect of sleep that researchers haven't quite figured out just yet. That doesn't mean we're tota...

One Of Science's Most Baffling Questions? Why We Yawn

Yawning has puzzled scientists for more than two millennia. But could a new theory settle the question once and for all? David Robson investigates.

Knowledge And Beliefs Of Yawning

Yawning and pandiculation are a universal behaviour amongst vertebrates, closer to an emotional stereotypy than a reflex. Phylogenetically ancient and ontogenetically primitive, they exteriorise homeostatic processes of systems controlling wakeful...

Historical Perspectives

The phenomenon of yawning is just as intriguing and fascinating as sleep. Understanding its causes and consequences has defied the human mind for centuries. Hippocrates, Sennert, Boerhaave and de Gorter each advanced a theory in his time. From the...

Why Do We Yawn? Past And Current Hypotheses

Yawning can be regarded as a prototype of stereotypical behaviors that has been recycled through evolution for different purposes. These purposes are combined with the increasing complexity of the central nervous system during evolution, and corre...

Yawning As A Brain Cooling Mechanism

Yawning is characterized by gaping of the mouth accompanied by a long inspiration followed by a shorter expiration. In humans, yawning begins in utero by 20 weeks gestation and continues throughout life. People typically close their eyes at the pe...

Yawning To Cool The Brain

Chances are you read this sentence about yawning and you yawned. Right? Well, a new study suggests that you may not really be yawning because it’s contagious, or you’re bored or tired. You’re actually yawning because your brain is too hot. A group...

Why Our Eyes Water?

Part of the reason is that when you yawn, you squeeze your eyes tightly shut. The way that tears flow is that they come out of your lacrimal gland, which is on the upper outer side of the top of your eye; they then flow - in a film - across your e...

Yawning Is A Sign Of Sexual Attraction, Scientists Claim

In fact, it can demonstrate a range of emotions including interest, stress and even wanting to have sex. Unfortunately scientists are not yet able to differentiate between a yawn that signifies erotic arousal and simply the need to catch some slee...

Foetuses Yawn Too!

You may get your first look at baby this week at your first trimester ultrasound. The American Congress of Obstetricians and Gynecologists recommends nuchal translucency ultrasound around this time to measure your baby's risk of Down syndrome. Wha...

Children Under Four And Autism Not Susceptible To Contagious Yawning

A new study found that most children don't yawn contagiously until about age 4, and that children with autism spectrum disorders (ASD) are less likely to yawn in response to another person yawning that children without autism. The study evaluated ...

Yawning Is Catching - And Not Just For Humans

Humans may not be the only ones to find yawning contagious. According to research published today, a yawn is likely to set off pets as well as those around you. Psychologists found that dogs were far more likely to break into a yawn if they witnes...

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