Web Results
Yawning can indicate boredom or tiredness.
There are many theories about why people yawn, but no one knows for sure.

sleep.org/articles/yawning-when-tired

Find out if you're yawning, does that mean you're tired.

www.huffingtonpost.com/2013/06/10/facts-yawning-why-we-yawn-contagious_n_3398301.html

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 ...

www.scientificamerican.com/article/why-do-we-yawn-when-we-ar

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 ...

blog.verlo.com/blog/does-yawning-mean-youre-tired

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.

www.psychologytoday.com/blog/brain-sense/201111/why-do-you-yawn-when-youre-not-sleepy

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.

www.cnn.com/2014/05/08/health/time-yawn-brain-hot

May 9, 2014 ... A new study suggests that you may not really be yawning because it's contagious , or you're bored or tired.

.ask.com/youtube?q=Does+Yawning+Mean+You+Are+Tired%3F&v=qbYA-N1_qUU
Apr 10, 2017 ... For centuries, people have come up with different explanations for yawning. Some of these reasons for yawning are quite reasonable, like you ...

www.newyorker.com/science/maria-konnikova/the-surprising-science-of-yawning

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.

www.askdoctork.com/does-my-frequent-yawning-mean-my-brain-isnt-getting-enough-oxygen-201305134813

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 ...