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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 ... Yawning may in fact reduce oxygen intake compared to normal respiration. However, neither providing ...

11 Interesting Facts About Yawning - Examined Existence

examinedexistence.com/11-interesting-facts-about-yawning/

Yawning, also known as oscitation, is a bodily activity that occurs in most vertebrates. It can be a sign of boredom, or just the body's attempt to regulate itself.

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 ... We all do it, and we all know it has at least something to do with how tired we feel . But unlike sleep apnea or laptops in the bedroom, yawning is ...

5 surprising facts about yawning | MNN - Mother Nature Network

www.mnn.com/earth-matters/animals/blogs/5-surprising-facts-about-yawning

Feb 12, 2016 ... But yawns can also be contagious between humans and their dogs. In fact, even hearing their owner yawn may cause a dog to yawn. Because ...

Yawning - BrainFacts.org

www.brainfacts.org/sensing-thinking-behaving/sleep/articles/2012/yawning/

Mar 20, 2012 ... Yawning is a behavior found in fish, reptiles and birds, as well as in humans. Described in ancient times by Hippocrates (who thought it served ...

Why We Yawn | Causes | Excessive Yawning | Contagious | Facts ...

www.kidzworld.com/article/588-why-we-yawn

Next time you're with a group of your friends, try this out. Take a big yawn, don't forget to cover your mouth, and wait to see how many other people yawn. There's  ...

Yawning – Amazing Facts 4 u

www.amazingfacts4u.com/yawning/

Jun 14, 2016 ... Fact is yawning is extremely contagious triggering the event in it in persons around. Studies suggest that 55% people will end up yawning ...

Fun Facts About Yawning... Guaranteed To Make You Yawn! | The ...

health.thefuntimesguide.com/yawningandyawns/

If you read this, you will yawn. I DARE you to try & fight the yawn!...

14 Interesting Facts About Yawning: Why Do We Yawn?

g9sleeptight.com/interesting-facts-about-yawning-2016/

Aug 9, 2016 ... We all yawn at one point or another. In most cases yawning is associated with boredom, fatigue, or sleepiness. But what does yawning mean?

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 ...