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Yawn - Wikipedia

en.wikipedia.org/wiki/Yawn

A yawn is a reflex consisting of the simultaneous inhalation of air and the stretching of the .... "We believe that contagious yawning indicates empathy. ... A 2007 study found that young child...

Why Do We Yawn and Why Is It Contagious? | Science | Smithsonian

www.smithsonianmag.com/science-nature/why-do-we-yawn-and-why-is-it-contagious-3749674/

Jun 28, 2013 ... An oft-used explanation for why we yawn goes like this: when we open wide, we suck in oxygen-rich air. The oxygen enters our bloodstream ...

Why We Yawn - WebMD

www.webmd.com/brain/news/20110923/why-we-yawn

Sep 23, 2011 ... All humans yawn. So do most vertebrate animals. Surely it serves some useful function. But what that might be has puzzled scientists ...

Why Do I Yawn? - KidsHealth

kidshealth.org/en/kids/yawn.html

But why, exactly, do people and animals yawn? ... Yawning, then, would be an involuntary reflex (something we can't really control) to help us control our oxygen ...

Facts About Yawning: Why We Do It, Why It's Contagious And More ...

www.huffingtonpost.com/2013/06/10/facts-yawning-why-we-yawn-contagious_n_3398301.html

Jun 10, 2013 ... 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 ...

Why Do We Yawn, Hiccup and Get Goosebumps? - Health ...

health.clevelandclinic.org/2015/01/why-do-we-yawn-hiccup-and-get-goosebumps/

Jan 22, 2015 ... Throughout the ages, people have wondered and invented explanations – some reasonable and some quite far-fetched – as to why we yawn, ...

Why do we yawn? Nothing to do with boredom - we're just cooling ...

www.independent.co.uk/news/science/why-do-we-yawn-nothing-to-do-with-boredom-were-just-cooling-our-brains-say-scientists-9356468.html

May 12, 2014 ... A new study has suggested that the reason we yawn has nothing to do with tiredness or boredom, but actually works in order to cool down our ...

www.ask.com/youtube?q=Why Do We Yawn?&v=I0dQx4SNSwE
Mar 12, 2014 ... What makes yawning so contagious? Watch the 'Yawn-O-Meter': http://bit.ly/ 1qwFDrx SUBSCRIBE: http://bit.ly/10kWnZ7 Instagram and Twitter: ...

What makes us yawn? | HowStuffWorks

science.howstuffworks.com/life/inside-the-mind/human-brain/question572.htm

Don't misunderstand, we aren't intending to bore you, but just reading about yawning will make you do it, just as seeing or hearing someone else yawn makes  ...

The Real Reason We Yawn - WSJ

www.wsj.com/articles/the-real-reason-we-yawn-1408403897

Aug 19, 2014 ... Yawning tends to occur more in summer. Most people yawn upon seeing someone else do it, but infants and people with autism or ...