Sometimes I find myself yawning when people yawn. Why is that? Why do people yawn when tired? After reading this you will probably yawn at least once. Please let us know if you did and/or provide your input on yawning.
It's the body mechanism to vent out the excessive carbon di oxide accumulated in the lungs and to inhale more of the oxygen in the lungs. It signifies lack of interest in the subject under consideration and the fatigues of the brain which demand more oxygen, so people yawn.
Yes-- I yawned when I read the subject--- but it is near my bedtime, and I have had a busy day... and my dog is yawning too.
by szufisticada 7 years ago
Why do we yawn? is it true that people tend to yawn due to lack of oxygen in the brain?
by carolegalassi 8 years ago
Why is it that when you yawn your eyes tear up?I often wondered what yawning and tearing eyes have in common. It doesn't make sense. With your mouth wide open, you breath in deeply, filling your lungs with air and then exhale............why would your eyes tear up........
by Simone Haruko Smith 6 years ago
What triggers yawning?There's a theory running around my office that I yawn every time a certain person talks. Could this person's tone of voice, or some other characteristic, be causing me to involuntarily yawn for some reason?
by Alistair Olver 5 years ago
Why do we yawn?We all do it, but what is the purpose of yawning?
by Sunshiney31 8 years ago
Me and my girls are sitting around passing our yawns to eachother and we are just curious? I don't want to look it up on the vast explanations the web offers. I want to hear your knowledge!
by rochelj 6 years ago
Why does yawning make a person more tired?I have heard that yawning makes a person more tired than before. Why is that?
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