Yawning can indicate boredom or tiredness.
There are many theories about why people yawn, but no one knows for sure.
Find out if you're yawning, does that mean you're tired.
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 ...
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.
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 ...
May 9, 2014 ... A new study suggests that you may not really be yawning because it's contagious
, or you're bored or tired. ... us in Facebook Messenger. Find out what's
happening in the world as it unfolds. Why do yawns seem contagious?
Sep 18, 2015 ... When you are tired, your body's energy levels are pretty low. Which means that
your body cells need more fuel or in other words, more oxygen.
Apr 14, 2014 ... “You don't decide to yawn,” Robert Provine, a neuroscientist and the author of “
Curious ... Indeed, fatigue and boredom do reliably elicit yawns.
May 13, 2013 ... DEAR READER: Most of us yawn more often in the early morning and late
evening. Does it mean you're tired? Bored? Not getting enough ...
Sep 6, 2015 ... We don't always yawn only when we are tired, it may be due to bigger health
issues. ... of why we do this is yet unknown, yawning when you are tired is a ...
yawning without fatigue or lack of sleep could indicate heart trouble.