Source: malaymail.com
NEW YORK, Jan 16 ― New research has found that sleeping less than six hours a night could increase the risk of cardiovascular disease, although sleeping too long may also have a negative effect on heart health.
Carried out by Spanish and US researchers, the new study looked at 3,974 Spanish adults with no known heart disease and asked participants to wear an actigraph ― a small device that continuously measures activity or movement ― for seven days to measure their sleep.
They were then divided into four groups: those who slept less than six hours, those who slept six to seven hours, those who slept seven to eight hours and those who slept more than eight hours.
The participants also completed a 3-D heart ultrasound and cardiac CT scans look for any signs of heart disease.
The findings, published in the Journal of the American College of Cardiology, showed that after taking into account other possible risk factors, participants who slept less than six hours were 27 percent more likely to have atherosclerosis, a plaque buildup in the arteries throughout the body, compared with those who slept seven…
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