NOn a sign of disinterest, but a request for help of the body. A recent article of the CNN, reporting the results of a study on the yawns conducted in the United States. Kristen Knutson, sleep medicine expert at the Northwestern University in Chicago, is clear: if we fall asleep easily during a meeting, even the most boring, the problem is not the meeting, but lack of sleep. Sleep little, or bad, alters our ability to remain vigilant, e The yawn is an early spy. It should not be ignored.
Too little sleep can be dangerous
The American Sleep Medicine Academy has recently published an official document that underlines how much daytime sleepiness is a symptom of insufficient night rest. The ideal hours of sleep vary with age, but for an adult there Recommended minimum threshold is 7 hours. Sleep less can cause irritability, difficulty in concentrating, memory empty, even alterations of decision -making capacity. In severe cases, we arrive in concrete risks for physical health: hypertension, heart attacks, strokes, diabetes and mood disorders, like depression. The yawn, therefore, becomes a true signal of alarm, which should not be minimized.
How to sleep better: the rules to avoid continuous yawns
In Italy, second The Italian Association of Sleep Medicine, One in four people have problems sleeping. The change of season and the legal time accentuating the phenomenon, increasing accidents and heart attacks in the following days. Fortunately, there are strategies to improve rest. Among the main advice: Avoid heavy meals in the evening, do not fight before going to sleep, do not play sports in the late evening, and above all keep away screens and electronic devices from bed. The blue light blocks melatonin, the hormone that regulates the sleep-wake cycle. When you can rest well, the yawns disappear, but above all the quality of life improves visibly.
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