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Why We Yawn

Next time you're with a group of your friends, try this out. Take a big yawn, don't forget to cover your mouth, and wait to see how many other people yawn. There's a good chance your yawn will be contagious. In fact, before you even finish reading this story it is likely that you'll yawn at least once. Not that I'm trying to bore you, but just reading about yawning will make you yawn.

Yawning doesn't always mean you are bored. Adelie penguins actually yawn as part of their wooing ritual. Couples face each other and the males stand with their beaks wide open and face towards the sky.

As for why people yawn... good question. Nobody really knows why we yawn. For a while scientists believed that you yawned when there was too much carbon dioxide and not enough oxygen in your blood. Part of your brain realized this and triggered you to yawn. As your mouth stretches you inhale deeply, sending a shot of oxygen to the lungs and into the bloodstream. That theory went out the window because nobody can prove it.

The reason yawns are contagious? Power of suggestion perhaps. If you're out late with your friends after school, you're probably tired. You're probably on the verge of a yawn, too, and seeing one person do it is enough to drive everyone to yawns.

Have I made you yawn yet? If I have, I hope it's not cuz you're bored, but simply by the power of suggestion.

A Few Cool Yawning Facts

  • The average yawn lasts about six seconds.
  • 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.
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How Many Hours of Sleep Do You Get?

  • About 9 hours.
  • Less than 9 hours.
  • More than 9 hours.
  • It differs every night.

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Dear Dish-It in the forums

tasfia posted in Family Issues:
With both of them :-)   I just sleep in the middle :-p
reply about 24 hours
Dear Dish-it, i always wanted to be in a band but my parents are saying you should forget about that, you should get a real future. I have fought my case by they just get it.  Please help me Bye
reply 2 days
Kirsteeeeen posted in Friends:
Maybe he likes you, as a friend or as more.
reply 3 days
Kirsteeeeen posted in Friends:
Friends grow apart as we grow up and change at different rates. It's fine to stop being friends, but it doesn't have to be in a mean way. The best thing to do is talk to her (nicely). You don't have to tell her she's being childish or you feel as if you've matured more. That would be terrible. Talk about things you guys like to do in common or make plans to try new things together. Or don't mention it at all, but don't just begin ignoring her. Eventually the friendship will fade the less time you spend together. 
reply 3 days
Amalegend20 posted in Friends:
You should be nice to her. If you have to break the news gently don't make her feel bad just talk to her about and see what she says  
reply 3 days

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