How much sleep, to die?

So after all, how much to sleep at night, not to die prematurely? It used to be that we need 7-8 hours of sleep, scientists now say that it is sufficient and five.

More recently, US researchers published a paper in which he argued that the lack of nighttime sleep   - One of the major underlying causes of premature death. And those who sleep less than 7-8 hours per day significantly (up to 10 years) reduces their life. These conclusions were based on observations of people who wore bracelets that capture the daily activity.

As it happens in the scientific world, with one study followed by a second, which is completely refuted the findings of the first. So How much sleep ? Five hours night sleep   We did not kill him. 8:00 But may be too long a period of sleep, in order to live a long time. So put your alarm clock early.

Scientists from the University of California examined 450 elderly and middle-aged women for as long as 14 years. It was found that those who slept 5-6 hours a day, most likely to be alive after the end of the period of the study. But those who prefer to be in dreamland more than 6, 5 hours per day, for some reason most often die. The same applies to those who slept less than five hours.

Now, according to California researchers, we need to move to a five-hour sleep schedule. Until then, until there are other studies. And the data from California, of course, will also appreciate the many super-busy people who for various reasons would not sleep more than five hours a day. They will have to justify this extreme lifestyle.

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