Yawn! It’s More Interesting Than It Sounds

I have read or heard of a variety of explanations as to why we yawn:

  1. Tired
  2. Bored
  3. Need a stretch
  4. Need oxygen
  5. Need to cool the brain
  6. Need power (make everyone who sees you yawn do it too!)
  7. Nervousness
  8. Changes in the chemicals (neurotransmitters) in the brain that affect emotions, mood, appetite, and other phenomena.
  9. Health issues such as adrenal issues, diabetes & stroke
  10. Could be a herd instinct that synchronizes mood in gregarious animals. 

Photo by William Stewart

For me right now, I know it’s reason #1.  G’nite!
 
(Do tell, did you yawn too?)

 

Advertisements

Your thoughts, please...

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s