Less Than 6 Hours of Night Sleep May up Heart Disease Risk
Less Than 6 Hours of Night Sleep May up Heart Disease Risk
Sleeping less than six hours a night may take a toll on heart health
17 January, 2019, 15:00
Lack of sleep raises the risk of atherosclerosis, which is a build-up of plaque in the body's arteries that causes them to narrow and harden.
"Cardiovascular disease is a major global problem and we are preventing and treating it using several approaches, including pharmaceuticals, physical activity and diet", said senior study author José M Ordovás, a researcher at the National Centre for Cardiovascular Research in Madrid. Their average age was 46, and two-thirds of participants were men. All participants wore an actigraph, a small device that continuously measures activity or movement, for seven days to measure their sleep. The subjects were divided into four groups based on their sleep duration: fewer than six hours, six to seven hours, seven to eight hours and more than eight hours. They also underwent ultrasound and cardiac scans.
The researchers found that those who slept less than six hours at night had 27 percent higher odds for body-wide atherosclerosis than those who got seven to eight hours of sleep at night. Additionally, those who had a poor quality of sleep were 34 percent more likely to have atherosclerosis than those who had a good quality of sleep.
The study also suggested sleeping more than eight hours a night may be associated with an increase in atherosclerosis. The study, revealed within the Journal of the American College of Cardiology, finds a link between sleep scarcity and having extra plaque buildup within the arteries all through the physique.
"Many people think alcohol is a good inducer of sleep, but there's a rebound effect", Ordovas said.
Prior observational research has highlighted the robust relationship of both long and short habitual sleep periods with stroke, coronary heart disease, death, diabetes mellitus, hypertension, and obesity.
While some studies show drinking coffee can have positive effects on the heart, Ordovas said it can depend on how quickly a person metabolises the coffee.
Sleep disruption and deprivation may lead to an increase in cardiovascular risk, an observational study affirmed.
Less than six hours sleep a night could be bad for heart health according to new research.
"These results highlight the importance of healthy sleep habits for the prevention of cardiovascular disease", the researchers wrote.
"What people report and what they do are often different", he says. Missing that target a couple of times won't do you much harm - but chronically missing it, for weeks, months or even years in a row, could take a hit on your heart.
Dr. Deepak Bhatt is a Cardiologist at Brigham and Women's Hospital.
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