The Yawn-O-Meter (How Long Can You Last?)
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The Yawn-O-Meter (How Long Can You Last?)

Find out why we yawn: http://bit.ly/1glgLOO
How long can you last before yawning? Let us know in the comments! And SUBSCRIBE!: http://bit.ly/10kWnZ7

Instagram: Greg’s (http://bit.ly/16F1jeC) and Mitch’s (http://bit.ly/15J7ube)
Facebook: http://on.fb.me/1fjWszw
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Vine: Search “AsapSCIENCE” on vine!

Written and created by Mitchell Moffit (twitter @mitchellmoffit) and Gregory Brown (twitter @whalewatchmeplz).