Identified life-prolonging amount of sleep


Photo: Michaela Begsteiger /

Greek and Spanish scientists have found that 6-8 hours of sleep per day reduces the risk of cardiovascular diseases and prolongs life. Thus, if a person sleeps less than six hours a day or frequently wakes in the night, then it increases the probability of occurrence of asymptomatic atherosclerosis. About it reported in a press release on EurekAlert!.

In the first work, the specialists analyzed data collected over the past five years during the 11 prospective studies, when for a long time, there are several groups of people distinguished by certain characteristics. In total, the study surveyed more than one million healthy adult patients (1000541). They were divided into three groups, one with people who slept less than six hours a day, the second more than eight hours, and the third was a control (six to eight hours of sleep a night).

It turned out that during 9.3 years of observation compared with the control group in the remaining patients the risk of coronary heart disease and stroke increased by 11 and 33 percent, respectively.

In another study involved 3 974 volunteers, who for seven days had worn device that monitors sleep quality. The average age of subjects was 46 years. It turned out that those who slept less than six hours a day or had fragmented sleep, increased risk of atherosclerosis, obesity and diabetes.

Video, photo All from Russia.


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