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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 .... A 2007 study found that young children with autism spectrum disorders do not increase their yawning...

Why We Yawn - WebMD

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

Sep 23, 2011 ... People yawn more easily in cooler temperatures, supporting the idea that ... 23, 2011-- Why do we yawn? ... So do most vertebrate animals.

Why Do I Yawn? - KidsHealth

kidshealth.org/en/kids/yawn.html

Everybody yawns — from unborn babies to the oldest great-grandparent. Animals do it, too. But why, exactly, do people and animals yawn? No one knows for ...

Excessive Yawning and What You Can Do About It - Healthline

www.healthline.com/health/yawning-excessive

Feb 29, 2016 ... Learn about possible causes and treatments for excessive yawning. ... Obesity is an epidemic in the U.S. This condition puts people at a higher ...

The Surprising Science of Yawning - The New Yorker

www.newyorker.com/science/maria-konnikova/the-surprising-science-of-yawning

Apr 14, 2014 ... Yawning is one of the first things we learn to do. ... the eighties and nineties, Provine demonstrated that people report yawning more frequently ...

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 ...

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 ... Pinpointing exactly why we yawn is a tough task, but the latest research ... how often people yawned when they saw videos of others doing it.

Why Do You Yawn When You're Not Sleepy? | Psychology Today

www.psychologytoday.com/blog/brain-sense/201111/why-do-you-yawn-when-youre-not-sleepy

Nov 16, 2011 ... Despite what you may have heard, yawning has nothing to do with ... how the students responded as they watched videos of people yawning.

8 reasons for excessive yawning you probably didn't know about ...

www.thehealthsite.com/diseases-conditions/reasons-for-excessive-yawning-p915/

Sep 6, 2015 ... We don't always yawn only when we are tired, it may be due to bigger ... While the exact mechanism of why we do this is yet unknown, yawning when you ... The study also stated that people suffering from multiple sclerosis ...

Why do people yawn at the same time? | Reference.com

www.reference.com/world-view/people-yawn-same-time-40b45d7f1338c00

There are multiple theories as to why people yawn in response to seeing others yawn. One theory is that contagious yawning is a result of the power of ...

Answer
Yawning can indicate boredom or tiredness.
There are many theories about why people yawn, but no one knows for sure.
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Facts About Yawning: Why We Do It, Why It's Contagious And More ...

www.huffingtonpost.com

Jun 10, 2013 ... We all do it, and we all know it has at least something to do with how tired ... The study found that people were more likely to yawn during the ...

What makes us yawn? | HowStuffWorks

science.howstuffworks.com

Why do people blush? Why are humans altruistic? ... Now that we know what a yawn is, let's look at what causes us to do it. On the next page, we'll discuss four ...

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

www.independent.co.uk

May 12, 2014 ... A new study has suggested that the reason we yawn has nothing to do ... a video of people yawning were 41 per cent likely to yawn themselves ...