A yawn is a reflex consisting of the simultaneous inhalation of air and the
stretching of the ... This "contagious" yawning has also been observed in
chimpanzees, dogs, and can occur acros...
Jun 11, 2015 ... What is yawning? And why do we do so much of it? Neuroscientist and yawn
expert Robert Provine says it's “ancient and autonomic.” It stems ...
Contagious yawning is associated with the same parts of the brain that deal with
empathy, according to a recent study. Learn about contagious yawning.
Jun 28, 2013 ... Pinpointing exactly why we yawn is a tough task, but the latest research suggests
that our sleepy sighs help to regulate the temperature of our ...
Jul 5, 2007 ... Rather than being a precursor to sleep, yawning is designed to keep us awake,
say US researchers. But why does seeing someone else yawn ...
Aug 24, 2015 ... People high in psychopathic personality traits often don't "catch" the contagious
yawn, a new study finds.
Jun 10, 2013 ... We all do it, and we all know it has at least something to do with how tired we feel
. But unlike sleep apnea or laptops in the bedroom, yawning is ...
Aug 15, 2015 ... Scientists have found that the more psychopath characteristics people have, the
less chance they will be affected by 'contagious yawning' ...
Dec 15, 2011 ... Ever wonder why we yawn or why yawning is contagious? We take a look at the
most popular answers to this frequently asked question.
Dec 10, 2014 ... Why do we yawn? The center of many a scientific study, researchers have
several theories about the science behind this contagious ...