This could be a dangerous trend for our own leaders who routinely are captured yawning, snoring, and sleeping at major events. Bill Clinton once had a dream at a Martin Luther King speech.
Some interesting yawn facts both work for and against the military crackdown on yawning. First, 55 percent of people will yawn within five minutes of seeing someone else yawn. That threatens an entire regiment of yawners. Since the average yawn lasts six seconds, you can have a cascading effect of continual yawning that can last hours in a closely packed military base. On the other hand, yawns are common among athletes at major sporting events — suggesting that it is not boredom but anticipation that can produce yawning.
Yawning is so basic a human response that artist Joseph Ducreux did his sel-portrait committing that act (above).
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