Yawning is more contagious than pink eye, bird flu and "Call Me Maybe" combined. That's science, people.
YouTuber Roman Atwood proves the yawn's infectious spreadability with what could be the world's most contagious prank. Atwood traveled the world, emitting giant yawns at each stop, to pull off his exhausting prank and make the stunt a global affair.
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The video of his jokester shenanigans is entertaining on its own, but think of the clip as a challenge as well. Try to watch the nearly three minutes of constant yawning without letting one loose yourself.
Did you even get through reading this without yawning? Yawning. Yawning. Yawning.
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