Sleeping less than six hours a night may take a toll on heart health
17 January, 2019, 14:59
But this study emphasises we have to include sleep as one of the weapons we use to fight heart disease - factor we are compromising every day. Their average age was 46, and two-thirds of participants were men. In seven days, all of them were asked to wear an actigraph - a device that measures every movement or activity - to measure their sleep.
The adults were also given 3-D heart ultrasounds and CT scans to look for evidence of cardiovascular disease.
Sleeping fewer than six hours a night or waking frequently raises your risk of developing damaging plaque in arteries throughout your body not just your heart, says new research out of the American College of Cardiology. Quality of sleep was defined by how often a person woke during the night, and the frequency of movements during the sleep which reflect the sleep phases. They were divided into four groups: those who slept less than 6 hours, those who slept 6 to 7 hours, those who slept 7 to 8 hours, and those who slept more than 8 hours.
The 10- and 30-year Framingham risk scores showed significantly higher cardiovascular risk in those getting less than 6 hours of sleep as well as in those in the three higher quintiles of sleep fragmentation.
The study also suggested sleeping more than eight hours a night may be associated with an increase in atherosclerosis. How long do you sleep each night?
Participants with short and disrupted sleep tend to have higher consumption of alcohol and caffeine.
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The study also found that those who had a poor quality of sleep were 34% more likely to have atherosclerosis than those who had a good quality of sleep.
'Many people think alcohol is a good inducer of sleep, but there's a rebound effect, ' said senior study author Dr José Ordovás, a researcher at CNIC and a senior scientist at Tufts University.
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.
Healthy sleep patterns of 7 to 8 hours a night may be protective, although the study couldn't determine causality, the researchers noted. Now, new research sheds light on how sleep deprivation can hurt the health. The new study "opens a door to further investigations to hopefully demonstrate the cause and effect between poor sleep quality and the generation of atherosclerosis disease", he said.
Dr. Deepak Bhatt is a Cardiologist at Brigham and Women's Hospital. Nevertheless, too much sleep is also risky for the guts.
Moran now uses a CPAP machine to improve his sleep quality.