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Yawn

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 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 ...

Does contagious yawning mean you're nice? | HowStuffWorks

science.howstuffworks.com/life/contagious-yawn.htm

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; ...

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.

Psychopaths May Be Immune To Contagious Yawning | Huffington ...

www.huffingtonpost.com/entry/psychopaths-contagious-yawning_us_55d1ff2de4b07addcb437067

Aug 17, 2015 ... Those who lack empathy don't seem to "catch" yawns like the rest of us do.

Is Yawning Really Contagious? | Van Winkle's

vanwinkles.com/is-yawning-really-contagious

Nov 19, 2015 ... Do we really pass around yawns, or is it just an old wive's tale?

Psychopaths Might Be Immune to Contagious Yawning | Smart News

www.smithsonianmag.com/smart-news/pyschopaths-might-be-immune-contagious-yawning-180956386/

Aug 25, 2015 ... It has long been believed that “contagious yawning” is actually a deep-seated signal that demonstrates an empathetic connection with another ...

Contagious Yawning | MythBusters | Discovery

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

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

Why We Yawn (And Why It Really Is Contagious) - Gizmodo

gizmodo.com/why-we-yawn-and-why-theyre-actually-contagious-b-1615645712

Aug 4, 2014 ... Babies, dogs, cats, birds, mice, rats and even snakes yawn, and some of us were even doing it in the womb. Although for thousands of years ...

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 ...

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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Why Is Yawning So Contagious? | Psychology Today

www.psychologytoday.com

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

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 ..... I generally don't go to bed until I'm really tired, so apart from thinking 'mmm, I love my bed,' I don't think about anything of consequence.

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

www.huffingtonpost.com

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.