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

Name: The Yawn-O-Meter (How Long Can You Last?)
Uploaded: 2016-04-29T07:20:38+00:00
Duration: 3 min 47 s
Channel: David Nugent
Description: Find out why we yawn: How long can you last before yawning? Let us know in the comments! And SUBSCRIBE!:

David Nugent

Find out why we yawn: How long can you last before yawning? Let us know in the comments! And SUBSCRIBE!:

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