Date: a month ago   Category: Health

Stop "sleeping off" at the weekend! The dream longer than 8 hours for time - is dangerous!

It was found out by scientists. Doctors recommend

to adults of 6-8 hours of a dream in a night. And if you sleep longer, it increases risk of death and cardiovascular diseases, according to the global research published on Wednesday in European Heart Journal.

As reports to CNN, scientists analysed data from 21 countries in seven different regions and came to a conclusion that at those who sleep longer than the recommended eight hours up to 41% the risk of a stroke and heart failure and also death increases.

However, it is possible that people sleep longer because of presence of some disease that in itself is raised by risk of cardiovascular violations and mortality.

the Team of scientists under the leadership of Chuansha Wang from Beijing also found the increased risk in fans to sleep in the afternoon. "The day dream is connected with the increased risk of serious cardiovascular diseases and death at those who sleep longer than 6 hours at night, but not at those who sleep less than 6 hours", - Wang says. At those who do not fill up at night the day dream compensates a night sleep debt, lowering risk, Wang explains.

the Previous researches on this subject were conducted mainly in North America, Europe and Japan. This first research in global scales.

However results are purely empirical, that is the reason of such communication is unknown. "Though it is very interesting results, they do not prove relationship of cause and effect", - the British nurse Juli Ward who also participated in a research says. Earlier scientific it was proved that dream duration less than 5 hours a day increases risk of heart attacks by 45%. The sleep debt can also contribute to the development of diabetes. Researches showed that transition with 8-hour to a 4-hour dream the organism begins to acquire more slowly glucose, and its level begins to increase.

the Previous research of this question was conducted by the British scientists from the University of Kiel. For this purpose the cumulative analysis of 74 researches with participation in total about 3 million people was carried out.

according to the British, longer dream (longer than 8 hours a day) increased risk of premature death and heart attacks more than a sleep debt. the 9-hour dream increased risk of the general mortality by 14%, a 10-hour dream - for 30%, and at those who slept more than 11 hours, - for 47%. At participants with complaints to a bad dream the risk of coronary heart disease increased even by 44%.

However researchers came to conclusion that not only the long dream, but also its bad quality is harmful.

the Bad, faltering dream was associated with increase in risk of an ischemic disease for 44%. "The dream can have an ambiguous impact on human health, - doctor Chong Shing Kwok, the cardiologist from the University of Kiel says. - In our research we did not plan to study mechanisms of influence of a dream on health.

longer duration of a dream can be sign апноэ (breath delays in a dream), a hypothyroidism, anemia or chronic warm недост



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