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why we yawn

well I was thinking... really now, why do we yawn

it has to be a combination of the senses, because I remember a time where I was watching some guy on the bus to the left of mine yawn and someone in front of me started to yawn. another time I yawned silently in room and heard someone else yawn from another room (that super saliva'ish tongue sound thing). heck sometimes even in class a few of us would bust a yawn and make our teacher yawn, funny thing is I don't think he was ever on to us

SO!

My idea is that it's a sound we can't hear... because i've seen a yawn jump from two people who weren't even looking at eachother. unless it's some super brainwave matrix thing?!

dude are you high right now?

same shit happens to me

someone yawns, i yawn

*yawn*

this might sound weird, but I yawned when I read this, because I was thinking about yawns

wow, what an interesting idea. I bet this has never been discussed before, or even studied by scholarly people.

or, I could run a search and fine thousands of fucking studies about why we yawn.

quote:

Originally posted by jupiterone same shit happens to me someone yawns, i yawn *yawn*

sometimes when you see someone yawn you kinda have to force it out.. (that's what she said)

that's what your *yawn* did to me... took me a bit.

Is it just me or do others lose their hearing momentarily when they yawn?

quote:

Originally posted by Teezdalien Is it just me or do others lose their hearing momentarily when they yawn?

sound level goes down but you shouldn't lose *all* your hearing.

From what I understand, yawning is directly related to to oxygen supply. People yawn more if there is less available oxygen. But I could be wrong.

There have been some studies done about the 'contagious yawn' phenomenon though. I vaguely remember them from Psych.

quote:

Originally posted by Sushipunk From what I understand, yawning is directly related to to oxygen supply. People yawn more if there is less available oxygen. But I could be wrong.

more or less. i dont think its "available oxygen" so much as it is level of oxygen in the body.

quote:

Originally posted by pkcRAISTLIN more or less. i dont think its "available oxygen" so much as it is level of oxygen in the body.

No, more the environmental side rather than internal, though it could obviously work both ways. It also (supposedly) has a bit to do with air pressure, and air conditioning has been said to have an influence too (I'm Googling like fuck to try and find the studies I read 3 or 4 years ago )

quote:

Originally posted by The17sss this might sound weird, but I yawned when I read this, because I was thinking about yawns

+1

quote:

Originally posted by Sushipunk From what I understand, yawning is directly related to to oxygen supply. People yawn more if there is less available oxygen. But I could be wrong.

Isn't that sighing?

Interesting Yawning Facts

* The average yawn lasts about six seconds.
* Your heart rate can rise as much as 30 percent during a yawn.
* 55 percent of people will yawn within five minutes of seeing someone else yawn.
* Blind people yawn more after hearing an audio tape of people yawning.
* Reading about yawning will make you yawn.
* Olympic athletes often yawn before competition. \



the last one made me lol

quote:

Originally posted by narcism Interesting Yawning Facts * The average yawn lasts about six seconds. * Your heart rate can rise as much as 30 percent during a yawn. * 55 percent of people will yawn within five minutes of seeing someone else yawn. * Blind people yawn more after hearing an audio tape of people yawning. * Reading about yawning will make you yawn. * Olympic athletes often yawn before competition. \ the last one made me lol

I just yawned.

quote:

Originally posted by Krypton I just yawned.

me too

quote:

Originally posted by The17sss this might sound weird, but I yawned when I read this, because I was thinking about yawns

Reading the word yawn has 40% effect of seeing someone yawn. I remember i read about it while searching for an article about booz for my research methods class.

i was always told that yawning is something your body does to stay awake. it gets the blood pumping faster through your body (as whoever posted the fun facts mentioned the increase in heart rate).

lack of oxygen? lol

quote:

Originally posted by Slylee lack of oxygen? lol

That seems to be the medical explanation for it , but many animals yawn , so it goes deep into evolution , and fish seem to yawn sometimes .
But we'll find out , the LHC will tell us!

ok granted, let's say we yawn because it revs our body

but realistically how can it be contageous in a scenario like two people looking the opposite way

I can understand reading the word yawn can stimulate one but have we researched if we secrete an undetected stomach gas or sound? I noticed that when you pull a hardcore yawn, halfway through you have this really hot air that comes out for about half a sec. I doubt that has anything to do with contagion but to reiterate, can it be a high/low-frequency sound triggering the 'contagious yawn'?

just yawned again at this thread

stop making me yawn damnit

quote:

Originally posted by jupiterone stop making me yawn damnit

+1

Fuck

quote:

Originally posted by The17sss this might sound weird, but I yawned when I read this, because I was thinking about yawns

+1

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