Jack
Brenton
AshishAnimals Yawning
March 21st 2007 10:22
A yawn is a reflex of deep inhalation and exhalation associated with being tired, with a need to sleep, or from lack of stimulation. Pandiculation is the term for the act of stretching and yawning. Yawning is a powerful non-verbal message with several possible meanings, depending on the circumstances. It is also claimed to help increase the state of alertness of a person. The exact causes of yawning are still unknown.
Humans and animals alike all yawn, below are some photos of animals in the act. Many more pictures here.
The yawn reflex is often described as contagious: if one person yawns, this will cause another person to "sympathetically" yawn. Even reading about yawning can make you yawn - have you yawned yet?
*These pictures used with permission from Damn Funny Pictures.
**This article is licensed under the GNU Free Documentation Licence. It uses material from the Wikipedia article Yawn.
Humans and animals alike all yawn, below are some photos of animals in the act. Many more pictures here.
The yawn reflex is often described as contagious: if one person yawns, this will cause another person to "sympathetically" yawn. Even reading about yawning can make you yawn - have you yawned yet?
*These pictures used with permission from Damn Funny Pictures.
**This article is licensed under the GNU Free Documentation Licence. It uses material from the Wikipedia article Yawn.
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