It tends to be thought that how many fewer hours of sleep you should lose more weight, because being more awake the body should consume more energy in the form of calories. But it has been shown that what happens is just the opposite.
An article published in the "Archives of General Psychiatry" magazine shows that children and adolescents who they sleep less hours than necessary, they are more at risk of being overweight and obese. This study reminds us that obesity figures in children have tripled in the last 30 years, and with all the dangers that this entails for the health of our children, we have to act.
To reach this conclusion, the Department of Psychiatry at the University of Pittsburgh School of Medicine studied 335 children between 7 and 17 years old for three consecutive nights.
They underwent polysomnography, a technique that records brain waves, analyzing the different phases of sleep. They showed that children who slept one hour less than the rest doubled the probability of being overweight, and more if that hour less meant eliminating one hour from the REM sleep phase (rapid eye movement phase) since in this case the Fattening probabilities tripled.
The explanation is found in the hormonal alterations that are produced by fatigue. The body reacts to these changes by decreasing physical activity to spend less and save calories. That is why it increases appetite and eats more, besides that when you sleep less you have more hours to eat.
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