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Yawn

en.wikipedia.org/wiki/Yawn

One study states that yawning occurs when one's blood ... Guttmann and Dopart determined that a yawn causes one of three ...

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 yawning ... 23, 2011-- Why do we yawn? .... MS Symptoms & Causes.

Yawning - excessive: MedlinePlus Medical Encyclopedia

medlineplus.gov/ency/article/003096.htm

Excessive yawning that happens more often than expected, even if drowsiness ... You may need tests to look for medical problems that are causing the yawning.

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 ... The most recent research on yawning suggests that it exists to cool down the brain. That open-mouthed yawn causes sinus walls “to expand ...

The Surprising Science of Yawning - The New Yorker

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

Apr 14, 2014 ... “One reason my enthusiasm for studying contagion diminished is because everything causes yawning,” Provine says. (Are you yawning yet?).

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

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

Sep 6, 2015 ... Wondering what could be causing that excessive yawning? Here are eight conditions that could be the reason for it. Fatigue or drowsiness: ...

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 ...

Yawning Excessively - Symptoms, Causes, Treatments - Healthgrades

www.healthgrades.com/symptoms/yawning-excessively

Sep 30, 2013 ... Yawning Excessively Information Including Symptoms, Diagnosis, Treatment, Causes, Videos, Forums, and local community support.

What Causes Excessive Yawning? | LIVESTRONG.COM

www.livestrong.com/article/17288-causes-excessive-yawning/

Aug 16, 2013 ... Vasovagal reaction is the scientific term for excessive yawning. The reaction is caused by the action of a nerve, appropriately called the vagus ...

Excessive Yawning - Symptoms, Diagnosis and Treatment

www.diagnose-me.com/symptoms-of/excessive-yawning.php

Jun 5, 2016 ... Many agree that yawning is a reflexive deep inhalation caused by decreased oxygen levels in the blood, and is most often associated with ...

More Info

Excessive Yawning and What You Can Do About It - Healthline

www.healthline.com

Feb 29, 2016 ... Excessive yawning is yawning that occurs frequently, sometimes without any apparent reason. Learn about possible causes and treatments for ...

What makes us yawn? | HowStuffWorks

science.howstuffworks.com

So what's behind this mysterious epidemic of yawning? First, let's look at what this bodily motion is: Yawning is an involuntary action that causes us to open our  ...

The Real Reason We Yawn - WSJ

www.wsj.com

Aug 19, 2014 ... Yawns are contagious, but they keep the brain working in peak form ... Stress and anxiety also cause our brains to get hotter, and yawning ...