A yawn is a reflex consisting of the simultaneous inhalation of air and the
stretching of the ... Approximately 20 physiological reasons for yawning have
been proposed by scholars, but there is litt...
Sep 23, 2011 ... People yawn more easily in cooler temperatures, supporting the idea ... Now a
series of experiments suggests a surprising reason for yawning.
Aug 19, 2014 ... Our tendency to yawn when other people yawn has long been incorrectly
explained as primarily an expression of a person's empathy.
... big yawn, cover your mouth out of courtesy and watch to see how many people
... We know it's involuntary because we do it even before we're born: According ...
Jun 10, 2013 ... But unlike sleep apnea or laptops in the bedroom, yawning is an aspect ...
Decker, but there's little proof to suggest it's the primary reason for yawning. ...
The study found that people were more likely to yawn during the winter, ...
May 12, 2014 ... A new study has suggested that the reason we yawn has nothing to do ... a video
of people yawning were 41 per cent likely to yawn themselves ...
Excessive yawning that happens more often than expected, even if drowsiness or
... The information provided herein should not be used during any medical ...
Apr 14, 2014 ... Yawning may be the opposite of what we think—not a signal of ... signal of
sleepiness or boredom—one of the reasons Sasha Obama's yawn seemed ...
Provine demonstrated that people report yawning more frequently when ...
If you yawn in class, you'll probably notice a few other people will start ... As this
theory goes, our bodies take in less oxygen because our breathing has slowed.
Nov 16, 2011 ... Some experts think this happens because yawning evolved as a ... why some
people are more susceptible to contagious yawning than others.