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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 ... This "contagious" yawning has also been observed in chimpanzees, dogs, and can occur acros...

Why Is Yawning So Contagious? | Psychology Today

www.psychologytoday.com/blog/the-athletes-way/201403/why-is-yawning-so-contagious

Mar 16, 2014 ... ... “Individual Variation in Contagious Yawning Susceptibility Is Highly ... Contagious yawning is a phenomenon that only occurs in humans and ...

Why Are Yawns Contagious? | Mental Floss

mentalfloss.com/article/64654/why-are-yawns-contagious

Jun 11, 2015 ... Yawning feels good, so why not join in when someone else yawns? Well, you're not really “joining in,” because you aren't copying the yawn on ...

Is that person a psychopath? A yawn might help you tell - TODAY.com

www.today.com/health/person-psychopath-yawn-might-help-you-tell-t40276

Jul 8, 2016 ... Contagious yawning — or yawning when you see someone else do it — is a very primitive form of communication and bonding, Rundle says.

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 ... Yawning Really Is Contagious It's true! One study found that when shown videos of yawning, around 50 percent of people also began yawning.

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 ... Unfortunately, this explanation is actually a myth, says Steven Platek, ... Along with being contagious, yawning is highly suggestible, meaning ...

Contagious Yawning | MythBusters | Discovery

www.discovery.com/tv-shows/mythbusters/mythbusters-database/yawning-contagious/

Apr 11, 2012 ... The Mythbusters asked the question: Is yawning contagious? Investigate with the Mythbusters whether yawning really is contagious.

Is yawning contagious? » Scienceline

scienceline.org/2007/09/ask-anderson-yawn/

Sep 24, 2007 ... Is yawning really contagious? ... Some researchers hypothesize that contagious yawning is more common in people with greater empathy ...

Is yawning actually contagious? Science has the answer - Salon.com

www.salon.com/2014/03/12/is_yawning_actually_contagious_science_has_the_answer/

Mar 12, 2014 ... Have you ever wondered why people yawn? What does that large gasp of air physiologically do? Well AsapSCIENCE has an illustrated ...

Study: Yes, yawning is contagious, but reasons unclear - USA Today

www.usatoday.com/story/news/nation/2014/03/14/yawning-contagious-study/6420133/

Mar 14, 2014 ... Warning: This story may make you yawn. That's because yawning is so highly contagious that even reading about it, much less seeing or ...

Answer
Yawning is thought to cool the brain and make it more alert. Simultaneous yawning may occur when a group of people are all breathing the same warm, stale air. Or contagious yawning may have evolved to help groups remain vigilant against danger.
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Dear Science: Is yawning really contagious? - The Washington Post

www.washingtonpost.com

Oct 3, 2016 ... Yawning seems to be pretty much ubiquitous in the animal kingdom, and for some animals — many humans included — it really is contagious.

Is yawning contagious? If so, why? What's the evidence? - Quora

www.quora.com

Update (Jan 2016): I wrote this answer several years ago. Though it currently has accumulated the most votes, there are now much better answers others have ...

Does contagious yawning mean you're nice? | HowStuffWorks

science.howstuffworks.com

Contagious yawning is associated with the same parts of the brain that deal with ... You don't need to actually see a person yawn to involuntarily yawn yourself; ...