Sleeping Less Than Six Hours A Night Increases Risk of Cardiovascular Disease, Says Study

Posted by Anthony Phillips on

That’s right, getting less than six hours of sleep every night could increase your risk of cardiovascular disease according to a new study.

The study focused on 4,000 people with no known history of heart disease. Their average age was 46, and two-thirds of participants were men.

The participants wore an actigraph (an instrument used to measure activity) for seven days to study their sleep. They also had 3D heart ultrasound and cardiac CT scans performed to check for heart disease.

Results of the study published in the peer-reviewed Journal of the American College of Cardiology showed people who slept fewer than six hours a night are 27% more likely to develop atherosclerosis –  a buildup of plaque in the body's arteries – compared to those who slept seven and eight hours.

"This study emphasizes we have to include sleep as one of the weapons we use to fight heart disease – a factor we are compromising every day," said senior study author José M. Ordovás, a researcher at Madrid's Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), in a statement.

Not only does the time asleep matter, but also the quality of sleep. Subjects with a poor quality of sleep were 34% more likely to develop atherosclerosis than those who had a quality night's sleep.

This is not the first study demonstrating the importance of sleep on your health. Three studies presented at the annual meeting of the European Society of Cardiology last September also found getting between six to eight hours of sleep a night could lower the risk of heart disease and stroke.

Another study published last April suggests when you go to bed is also important. The joint study by researchers at Northwestern University and the University of Surrey in the United Kingdom found people who stayed up later had a higher mortality rate than those who go to sleep early.

CBD & Sleep

I have never been a good sleeper. But in an effort to improve my sleep, I turned to cannabidiol (CBD). It literally changed my life when it came to my sleeping habits and quality.

In the United States, approximately 70 million people suffer from insomnia, insufficient sleep or another sleep disorder. CBD has been mistakenly described as sedating. In modest doses, CBD is mildly alerting. Cannabidiol activates the same adenosine receptors as caffeine, a stimulant. But several patients with sleep issues report that ingesting a CBD-rich tincture or extract a few hours before bedtime has a balancing effect that facilitates a good night’s sleep.

Here is a study that involved some research on the effects of CBD on sleep: Effects of acute systemic administration of cannabidiol on sleep-wake cycle in rats.


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