Yawning is contagious

[J0hn21792]

I yawned but then again its 1:46am and I've been yawning every 5 minutes XD

[fluffy6596]

@shadowblade90222 mirror neurons in our brain

[deepsell4]

Great! I tired to stop, but couldn't

[anonwillprevail247]

well i would have but i stopped myself so yea i yawned

[mwebs16]

yes, this is definitly a massive experiment

[Bucketheadtwo]

I yawned lol

[SilentDesert64]

fail! ha! i can control myself perfectly...

[bmxorretw]

i didn't yawn, but i yawned about a hour ago.. that may be why i didn't yawn

[crippenfalyfe]

i yawned before it even starting playing lol

[KMai3]

i yawned once will it was still playing, and then yawned bout a min after.

[kathieisdabomb]

YAWNEDDD

[hidanfangirl42]

have u ever noticed how if u yawn, say yawn, write/type/text yawn, u or some1 else WILL yawn...

[aboverise]

i yawned about 3 seconds in lol

[duhhitskimmy]

DARN. i tried not to....

[xxlilrockerxx101]

i yawned when I typed "yawn" in the youtube search lol

[appleapplepenguin]

me 2!

[skaterjohnnyboy100]

i yawned O_o

[dollllpartz]

i yawned. only because i was watching the reflex of his mouth and it made me feel mine, so i just had to yawn :P

[scoutr5]

this vid didnt but that starbucks yawning commercial shure did... alot!

[rannix18]

i yawned

[gbmack2000]

lol it didn't make me yawn, but that's because i knew what this video was supposed to do

if i didn't know anything about it, yes i would yawn lol

[o0TwilightPrincess0o]

lol I didn't yawn...

[michansario]

hahahaha :D I must admit I did yawn.

[razzmecotl]

It is really hard to yawn while laughing, I just gotta tell ya. Yep, it worked.

[dcsb]

Lol worked, Mythbusters?

[RICHOnMEGZ]

Worked !

[born2race17]

Darn, it worked, lol

[DevinShadowV]

crap it worked lol

[HelliXSystems]

It should have sound to work, I think.

[BombonitA20]

my yawining video has sound....lol

[lu1de]

I wanted to yawn watching it but nothing happened

[Zercin]

wow, it worked...

i remember i used to trap yawns in a glass jar, and it seemed to work then too

[BombonitA20]

lol....what¿

glass jar??

mmmm....i trapped my yawns in a vid...wanna watch?

[SkateSka]

Without sound it doesn't seem to be so persuasive...

[BombonitA20]

again...my yawning vid has soound...

[hypnotic123]

lol it worked

[johnl805]

yeah it worked

[ar0n0]

i yawned b4 it so he got it from me

[KitsuneShippo]

it worked on me

[cheetmeister]

it worked

[OkamiTenshiImako]

Ha! It didn't work, I think if there was sound it may work better. Just a segestion.

[Sleepiful]

damn, it worked.