Web Results

Yawn

en.wikipedia.org/wiki/Yawn

... of theories that attempt to explain why animals and people yawn. ... to explain the primary evolutionary reason for the yawn.

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 ... Gallup's theory predicts that colder outside air should cool the brain ...

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.

Yawning - excessive: MedlinePlus Medical Encyclopedia

www.nlm.nih.gov/medlineplus/ency/article/003096.htm

Causes may include: Drowsiness or weariness; Disorders associated with excessive daytime sleepiness; Vasovagal reaction (stimulation of a nerve called the ...

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 ...

Why Do I Yawn? - KidsHealth

kidshealth.org/en/kids/yawn.html

If you yawn in class, you'll probably notice a few other people will start ... As this theory goes, our bodies take in less oxygen because our breathing has slowed.

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 ...

You don't yawn because you're tired - CNN.com

www.cnn.com/2014/05/08/health/time-yawn-brain-hot/

May 9, 2014 ... A new study suggests that you may not really be yawning because it's contagious , or you're bored or tired.

The Surprising Science of Yawning - The New Yorker

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

Apr 14, 2014 ... Yawning may be the opposite of what we think—not a signal of ... signal of sleepiness or boredom—one of the reasons Sasha Obama's yawn seemed ... Provine demonstrated that people report yawning more frequently when ...

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 ... Some experts think this happens because yawning evolved as a ... why some people are more susceptible to contagious yawning than others.

More Info

Excessive Yawning and What You Can Do About It - Healthline

www.healthline.com

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 ...

What makes us yawn? | HowStuffWorks

science.howstuffworks.com

So what's behind this mysterious epidemic of yawning? First ... Why do people blush? ... Now that we know what a yawn is, let's look at what causes us to do it.

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

www.huffingtonpost.com

Jun 10, 2013 ... That open-mouthed yawn causes sinus walls “to expand and contract ... The study found that people were more likely to yawn during the winter, ...