Go ahead: Laugh if you want (though you’ll benefit your brain more if you smile), but in my professional opinion, yawning is one of the best-kept secrets in neuroscience. Even my colleagues who are researching meditation, relaxation, and stress reduction at other universities have overlooked this powerful neural-enhancing tool. However, yawning has been used for many decades in voice therapy as an effective means for reducing performance anxiety and hypertension in the throat.
Yawning will relax you and bring you into a state of alertness faster than any other meditation technique I know of, and because it is neurologically contagious, it’s particularly easy to teach in a group setting. One of my former students used yawning to bring her argumentative board of directors back to order in less than 60 seconds. Why? Because it helps people synchronize their behavior with others.
But yawning doesn’t just relax you—it quickly brings you into a heightened state of cognitive awareness. Students yawn in class, not because the teacher is boring (although that will make you yawn as well, as you try to stay focused on the monotonous speech), but because it rids the brain of sleepiness, thus helping you stay focused on important concepts and ideas. It regulates consciousness and our sense of self, and helps us become more introspective and self-aware. Of course, if you happen to find yourself trapped in a room with a dull, boring, monotonous teacher, yawning will help keep you awake.
So what is the underlying mechanism that makes yawning such an essential tool? Besides activating the precuneus, it regulates the temperature and metabolism of your brain. It takes a lot of neural energy to stay consciously alert, and as you work your way up the evolutionary ladder, brains become less energy efficient. Yawning probably evolved as a way to cool down the overly active mammalian brain, especially in the areas of the frontal lobe. Some have even argued that it is a primitive form of empathy. Most vertebrates yawn, but it is only contagious among humans, great apes, macaque monkeys, and chimpanzees. In fact, it’s so contagious for humans that even reading about it will cause a person to yawn.
Dogs yawn before attacking, Olympic athletes yawn before performing, and fish yawn before they change activities. Evidence even exists that yawning helps individuals on military assignment perform their tasks with greater accuracy and ease. Indeed, yawning may be one of the most important mechanisms for regulating the survival-related behaviors in mammals. So if you want to maintain an optimally healthy brain, it is essential that you yawn. It is true that excessive yawning can be a sign that an underlying neurological disorder (such as migraine, multiple sclerosis, stroke, or drug reaction) is occurring. However, I and other researchers suspect that yawning may be the brain’s attempt to eliminate symptoms by readjusting neural functioning.
For these reasons I believe that yawning should be integrated into exercise and stress reduction programs, cognitive and memory enhancement training, psychotherapy, and contemplative spiritual practice. And, because the precuneus has recently been associated with the mirror-neuron system in the brain (which allows us to resonate to the feelings and behaviors of others), yawning may even help us to enhance social awareness, compassion, and effective communication with others.
My advice is simple. Yawn as many times a day as possible: when you wake up, when you’re confronting a difficult problem at work, when you prepare to go to sleep, and whenever you feel anger, anxiety, or stress. Yawn before giving an important talk, yawn before you take a test, and yawn while you meditate or pray because it will intensify your spiritual experience.
Conscious yawning takes a little practice and discipline to get over the unconscious social inhibitions, but people often come up with three other excuses not to yawn: “I don’t feel like it,” “I’m not tired,” and my favorite, “I can’t.” Of course you can. All you have to do to trigger a deep yawn is to fake it six or seven times. Try it right now, and you should discover by the fifth false yawn, a real one will begin to emerge. But don’t stop there, because by the tenth or twelfth yawn, you’ll feel the power of this seductive little trick. Your eyes may start watering and your nose may begin to run, but you’ll also feel utterly present, incredibly relaxed, and highly alert. Not bad for something that takes less than a minute to do. And if you find that you can’t stop yawning—I’ve seen some people yawn for thirty minutes—you’ll know that you’ve been depriving yourself of an important neurological treat.
By Andrew Newburg
4 thoughts on “Yawning”
This is interesting! I’m pretty sure we all wish we knew this back in high school (therefore, the students could have had an intelligent response rather than “you’re boring me” or “i’m just sleepy” when teacher’s jumped on our cases for yawning, haha). This is a great post – thanks for sharing!
I see how this could be true. you do not only yawn when your tired. on my best nights sleeps (and iam sure most peoples for that matter) when you wake up and in front of the mirror in the morning clearing your eyes i always have at least one or two good yawns after sleep shake my shoulders and roll my neck kind of like a football player ready to take the feild and say ,” ok,Ready” then iam on my way to make the day. point being feeling good and ready.
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