Hohommmm IsYAWNING contagious? What do you think of it?
By vonn1378
@vonn1378 (706)
Philippines
June 26, 2007 4:06am CST
One theory as to why we yawn is to regulate carbon dioxide and oxygen levels in the lungs. We yawn when we are tired or bored.
But I wonder if it is really contagious because when I see people that yawns I cannot help myself but yawn as well. Are you yawning as well when you sees one?
1 response
@bethel_101 (432)
• Philippines
26 Jun 07
so we have the same observation. when someone yawns, i feel like yawning too! lol. yeah, i think it's contagious. sleeping is the best form of rest, everybody would love that!
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