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Poor Sleep Seen As Risk for Cardiovascular Disease

A study presented at the European Society of Cardiology (ESC) suggests poor sleep should be considered a modifiable risk factor for cardiovascular disease along with smoking, lack of exercise, and poor diet.

A better understanding of cardiovascular disease is important because mortality from cardiovascular diseases accounts for nearly 50 percent of the total mortality among the population.

Professor Valery Gafarov, professor of cardiology at the Russian Academy of Medical Sciences in Novosibirsk, Russia, said that “nearly 80 percent of deaths from cardiovascular disease are due to myocardial infarction (heart attack) and stroke. It means that today we are talking about an epidemic of cardiovascular disease.

“It is therefore necessary to engage in intensive prevention of risk factors leading to the development of cardiovascular diseases.”

It may come as a surprise that sleep disorders are very closely related to the presence of cardiovascular diseases. However, until now, there has not been a population based cohort study examining the impact of sleep disorders on the development of a heart attack or stroke, explains Garariv.

The research was part of the World Health Organization (WHO) program “MONICA” (Multinational Monitoring of trends and determinants in Cardiovascular disease) and the “MONICA-psychosocial” substudy. It investigated the relationship between sleep disturbances and the risk of developing a heart attack or stroke in the long term.

The study included a representative sample of 657 men aged 25 to 64 years with no history of heart attack, stroke or diabetes in Novosibirsk. Sleep quality was assessed when the study began in 1994 using the Jenkins Sleep Scale. Very bad, bad, or poor ratings were considered a sleeping disorder. Cases of myocardial infarction and stroke were recorded over the next 14 years.

During the study period, nearly two-thirds (63 percent) of participants who had a heart attack also had a sleeping disorder. Sleeping disorders are closely associated with negative affective states (anxiety, depression, hostility, vital exhaustion).

Researchers say they are connected with the social gradient and are a manifestation of social stress in the population.

Men with a sleeping disorder had a risk of myocardial infarction that was two to 2.6 times higher and a stroke risk that was 1.5 to four times higher than those without a sleeping disorder between five and 14 years of follow up.

Said Gafarov, “Sleeping disorders were associated with greatly increased incidences of both heart attack and stroke. We also found that the rates of heart attack and stroke in men with sleeping disorders were related to the social gradient, with the highest incidences in those who were widowed or divorced, had not finished secondary school, and were engaged in medium to heavy manual labor.”

He added: “Sleep is not a trivial issue. In our study it was associated with double the risk of a heart attack and up to four times the risk of stroke. Poor sleep should be considered a modifiable risk factor for cardiovascular disease along with smoking, lack of exercise, and poor diet. Guidelines should add sleep as a risk factor to recommendations for preventing cardiovascular disease.”

“For most people, good quality sleep is seven to eight hours of rest each night. People who are not sleeping well should speak to their doctor. Our previous research showed that sleeping disorders are very closely connected with depression, anxiety, and hostility, so speaking with a psychologist may also help.”

Source: European Society of Cardiologists/EurekAlert

Poor Sleep Seen As Risk for Cardiovascular Disease

Rick Nauert PhD

Rick Nauert, PhDDr. Rick Nauert has over 25 years experience in clinical, administrative and academic healthcare. He is currently an associate professor for Rocky Mountain University of Health Professionals doctoral program in health promotion and wellness. Dr. Nauert began his career as a clinical physical therapist and served as a regional manager for a publicly traded multidisciplinary rehabilitation agency for 12 years. He has masters degrees in health-fitness management and healthcare administration and a doctoral degree from The University of Texas at Austin focused on health care informatics, health administration, health education and health policy. His research efforts included the area of telehealth with a specialty in disease management.

APA Reference
Nauert PhD, R. (2015). Poor Sleep Seen As Risk for Cardiovascular Disease. Psych Central. Retrieved on October 20, 2018, from https://psychcentral.com/news/2015/06/16/poor-sleep-seen-as-risk-for-cardiovascular-disease/85760.html

 

Scientifically Reviewed
Last updated: 6 Oct 2015
Last reviewed: By John M. Grohol, Psy.D. on 6 Oct 2015
Published on PsychCentral.com. All rights reserved.