Scientists Recommend More Sleep For Both Adults and Children To Stay Slim
Research performed at France’s INSERM, which is a public organization dedicated to biological, medical, and public health research, has shown that more sleep may be crucial to losing excess weight and beating obesity.
About 30 surveys were completed in seven countries on both children and adults. The researchers noted that the increase in obesity in the United States in the second half of the 20th century corresponded with a decrease in sleep.
The researchers noted that two hormones, grehlin and leptin, produced at night are thought to be important. Grehlin makes people hungry, slows metabolism, and decreases the body’s ability to burn fat. Leptin, which is a protein hormone produced by fatty tissue, regulates fat storage and decreases appetite.
The researchers found that a lack of sleep (two four-hour nights) caused an 18% loss of leptin and a 28% increase in grehlin. They also found that these hormonal changes made people hungry for foods heavy in fats and sugars such as chips, biscuits, cakes, and peanuts.
A study that was released in February in Washington found that children who lacked sleep had a greater risk of becoming obese than children who got a good night’s sleep. A study by Johns Hopkins Bloomberg School of Public Health also found that each extra hour of sleep reduces a child’s risk of becoming obese by 9%. Alternately, children who got the least amount of sleep had a 92% higher chance of being obese than children who slept enough.
Other research has recommended that children under five years old need 11 hours or more of sleep each night, children 5 to 10 years old should get at least 10 hours of sleep, and children older than 10 should get at least nine hours of sleep.
It seems that it is becoming increasing evident that getting a good night’s sleep is important to health and preventing obesity. This study is similar to a study performed in Japan that showed very similar results.
Reference: PhysOrg
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