Lack of sleep causes weight gain.


    Lack of sleep or not sleeping deeply for a long time makes it difficult to control your appetite, leading to obesity, heart disease, high blood pressure, type 2 diabetes.

Through a smartphone app, scientists tracked the sleep quality of 120,000 people over two years, according to the study, published in the journal JAMA Internal Medicine on September 15.

The results showed that people with a body mass index (BMI) of 30 or more, counted by the US Centers for Disease Control and Prevention (CDC) as obese, had a short average sleep duration, and a disordered schedule. than. They sleep about 15 minutes less than the average person every day.

Many previous analyzes have linked sleep deprivation and food cravings. When you don’t get enough sleep, levels of ghrelin, also known as the hunger hormone, spike. Meanwhile, another hormone, leptin, produced by fat cells, plummeted. Both signal to the brain a craving for food.

You’ll crave sweets, salty foods, and starchy foods. Your body automatically wants chips, cookies, candy,” said Erin Hanlon, a behavioral neuroscientist at the University of Chicago.

In fact, a link between sleep habits and body mass index has been shown in many different studies. This is the first time that scientists have used a mobile app to track participants’ activities. Previously, they often investigated this behavior using questionnaires.

But the study still has some limitations. Experts remove naps, or naps, from the analytical system. They also did not have data on the volunteers’ health status and underlying illnesses. Participants are mainly young, high income.

The study was mostly done on young people with good economic conditions. So whether the results are compatible for the group. Do older people, most of them have insomnia?”, Dr. Raj Dasgupta, director of the associate program of the Sleep Medicine Fellowship at the University of Southern California, questioned.

According to experts, each person should sleep for 10 hours, exercise for about 30 minutes a day. Lack of sleep can easily lead to high blood pressure, weakened immune system, overweight, decreased sex drive, sudden mood swings, paranoia, depression…

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