I don't think I've ever measured my yawns! I have 2 different types of tape measures; a hard retractable one and a soft loose one. I start off with the retractable one first and after a bit of figuring out the best way to do it, I start to successfully measuring them! I begin yawning as widely as I possibly can and utilize the tape measure to measure from top to bottom and also from side to side. Before I go off to use the soft tape measure, I give you an intermediate yawn. I actually do this a couple times throughout the video because the tape measures tend to block my mouth a little bit, ... Show more