To identify the gene drowsiness, scientists needed to interview and take DNA testing in 10 000 people from different European countries (Croatia, Estonia, Holland, Italy, Germany, Scotland). The subjects were told how many hours they need to sleep (it was only days off, when people are not in a hurry). Systematize the information, the researchers found that people whose blood was found gene ABCC9, daily intake of sleep was 30 minutes more. That is, if a person is deprived of this gene, you need an average of about 8 hours, the person with ABCC9 (about one in five Europeans) must be not less than 8 and a half. By the way, for a long time to luxuriate in bed peculiar to holders ABCC9. In those days when they do not have to go to work, they can sleep up to 11 hours.
"In the future, the discovery may help ABCC9 artificially adjust the number of required hours of sleep a person a day," - says Professor Jim Wilson of the University of Edinburgh.
The scientist added that drowsiness responsible for more than 20 genes, but the newly opened ABCC9 plays in this regard a decisive role. In addition, says the biologist, a habit long stay in bed often grafted human too kind-hearted parents.
According to statistics, a person wakes up about one-third of his life. European scientists say - the more it deviates from the normal mode, the greater is the original person. For example, Margaret Thatcher enough sleep only four hours, and Albert Einstein to sleep, needed no less than eleven.
By the way, in May this year experts from Uppsala University in Sweden have found that sleep deprivation is dangerous to humans. It is fraught with metabolic disorders, which can lead to weight gain.
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