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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 eardrums, followed by an exhalation of breath. Yawning ( oscitation) ...

What makes us yawn? | HowStuffWorks

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

Next time you're in a meeting, try this little experiment: Take a big yawn, cover your mouth out of courtesy and watch to see how many people follow suit. There's ...

The Real Reason We Yawn - WSJ

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

Aug 19, 2014 ... Scientists working to unravel the mystery surrounding the yawn, and why it's contagious, have discovered that yawning is much more ...

Yawn | Define Yawn at Dictionary.com

www.dictionary.com/browse/yawn

Yawn definition, to open the mouth somewhat involuntarily with a prolonged, deep inhalation and sighing or heavy exhalation, as from drowsiness or boredom .

www.ask.com/youtube?q=yawn&v=I0dQx4SNSwE
Mar 12, 2014 ... What makes yawning so contagious? Watch the 'Yawn-O-Meter': http://bit.ly/ 1qwFDrx SUBSCRIBE: http://bit.ly/10kWnZ7 Instagram and Twitter: ...

Why do we yawn? (Everyday Mysteries: Fun Science Facts from the ...

www.loc.gov/rr/scitech/mysteries/yawn.html

The study of yawning is anything but boring. It boasts a rich history of theories that go back to Antiquity, but thus far the biological function of yawning remains a  ...

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 ...

BBC - Future - One of science's most baffling questions? Why we yawn

www.bbc.com/future/story/20140811-warning-this-may-make-you-yawn

Aug 12, 2014 ... Yawning has puzzled scientists for more than two millennia. But could a new theory settle the question once and for all? David Robson ...

YAWN® - Optimize Sleep | Nootrobox®

nootrobox.com/yawn

YAWN is a nootropic blend with components optimized for each of the three phases of sleep: falling asleep, improving quality of sleep, and feeling refreshed  ...

Yawn

weareyawn.com/

Your cart is currently empty. Return To Shop · YAWN – Graphic Design, Lettering & Illustration · Work · Music Artwork · Lettering · Illustration · Corporate Design ...

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Why We Yawn - WebMD

www.webmd.com

Sep 23, 2011 ... People yawn more easily in cooler temperatures, supporting the idea that yawning cools the brain.

The Surprising Science of Yawning - The New Yorker

www.newyorker.com

Apr 14, 2014 ... Yawning may be the opposite of what we think—not a signal of sleepiness but a signal that it's time to act.

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 ...