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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 ... Approximately 20 physiological reasons for yawning have been proposed by scholars, but there is litt...

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 ... Now a series of experiments suggests a surprising reason for yawning.

The Real Reason We Yawn - WSJ

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

Aug 19, 2014 ... Our tendency to yawn when other people yawn has long been incorrectly explained as primarily an expression of a person's empathy.

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 ... This feature is for informational purposes only and should not be used to diagnose.

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

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

Sep 6, 2015 ... 8 reasons for excessive yawning you probably didn't know about. ... The study also stated that people suffering from multiple sclerosis suffer ...

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 ... But unlike sleep apnea or laptops in the bedroom, yawning is an aspect ... Decker, but there's little proof to suggest it's the primary reason for yawning. ... The study found that people were more likely to yawn during the winter, ...

What Causes A Yawn? - SymptomFind.com

www.symptomfind.com/health/what-causes-a-yawn/

That's because when you are tired or bored, your breathing tends to slow down. As a result, your body tries to take in more oxygen by yawning. Some people ...

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 ... a video of people yawning were 41 per cent likely to yawn themselves ...

What makes us yawn? | HowStuffWorks

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

... big yawn, cover your mouth out of courtesy and watch to see how many people ... We know it's involuntary because we do it even before we're born: According ...