Find out if you're yawning, does that mean you're tired.
Aug 12, 2002 ... You are correct in thinking that yawns are catching. ... If so, then its contagious nature is most likely a means of communication within groups of ...
Nov 16, 2011 ... Despite what you may have heard, yawning has nothing to do with ... this happens because yawning evolved as a means of communication.
Apr 9, 2017 ... Tired, bored, or following someone's lead and yawning? What's the reason for yawning? Learn about the interesting reasons for you yawn.
Jun 10, 2013 ... That doesn't mean we're totally in the dark when it comes to catching flies. Here are a few of ... to why we yawn. FIrst off, we don't only do it when we're tired. ... about yawning can trigger one (did we get you yet?). Turns out, it's ...
Feb 29, 2016 ... It is a very natural response to being tired. In fact, yawning is usually triggered by sleepiness or fatigue. ... When you're fatigued, you… ... Learn about the signs of a stroke and what to do. ... A dissection of the aorta means that blood has entered the wall of the artery between the inner and middle layers.
May 9, 2014 ... A new study suggests that you may not really be yawning because it's contagious , or you're bored or tired. ... MUST WATCH. Why do yawns seem contagious? 01: 32 ...
Nov 26, 2012 ... Stress, Boredom or Sleep – What Yawning Means ... The act of yawning isn't a simple one that just means you are tired and need some more ...