Poor quality sleep may increase the risk of heart disease compared to those who get about 7 hours of good quality sleep every night, warn scientists at Seoul University School of Medicine in South Korea.
Sleep deprivation is a common problem and a likely source of ill health, including visible signs of illness such as a heart attack, experts say.
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The researchers studied more than 47,000 people who answered questions about their sleep and underwent tests to detect early coronary lesions and measure arterial stiffness.
Coronary artery disease has been associated with calcium, which is an early sign of coronary artery disease. The researchers found that adults who slept 5 hours or less a day had 50% more calcium in their coronary arteries than those who slept 7 hours a day.
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At the same time, those who slept 9 or more hours a day had 70% more calcium in the coronary arteries than people whose sleep was 7 hours a day. A similar picture was observed by specialists when measuring arterial stiffness.
Adapted and translated by The Cop Cart Staff
Sources: Today Lifestyle