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Yawn - Wikipedia


A yawn is a reflex consisting of the simultaneous inhalation of air and the stretching of the ..... George Washington said, "If You Cough, Sneeze, Sigh, or Yawn, do it not Loud but Privately; a...

Why We Yawn - WebMD


Sep 23, 2011 ... 23, 2011-- Why do we yawn? ... So do most vertebrate animals. ... When you start to yawn, powerful stretching of the jaw increases blood flow in ...

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


Jun 10, 2013 ... We all do it, and we all know it has at least something to do with how tired we feel . ... about yawning can trigger one (did we get you yet?).

Why Do I Yawn? - KidsHealth


If you yawn in class, you'll probably notice a few other people will start yawning, too. Why is that?

Excessive Yawning and What You Can Do About It - Healthline


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


Don't misunderstand, we aren't intending to bore you, but just reading about yawning will make you do it, just as seeing or hearing someone else yawn makes  ...

Yawning - excessive: MedlinePlus Medical Encyclopedia


You may be asked questions such as: When did the excessive yawning begin? How many times do you yawn per hour or day? Is it worse in the morning, after ...

The Real Reason We Yawn - WSJ


Aug 19, 2014 ... Yawning tends to occur more in summer. Most people yawn upon seeing someone else do it, but infants and people with autism or ...

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


Sep 6, 2015 ... Fatigue or drowsiness: When you are tired or sleepy, it is common to yawn. While the exact mechanism of why we do this is yet unknown, ...

Why do we yawn? Nothing to do with boredom - we're just cooling ...


May 12, 2014 ... A new study has suggested that the reason we yawn has nothing to do ... Do You Know More Than Most About the World's Deadliest Snakes?

Why I just broke into another yawn
Geelong Advertiser · 7 hours ago
Yawn: China's Space Program Is Making Advances Look Routine
Wall Street Journal · October 17 4:57 AM