Harmful for the heart: What happens when you sleep too much or too little

"Sleep is the best Medizin", as the adage goes, but, as so often, the dose makes the poison. We often complain about tiredness and lack of sleep, actually you can sleep but also too much.

The well-deserved Sleep in on the weekend, you can indeed treat, but this should be a habit like big nights.

Detrimental to the health of both the variants are, in fact, according to the latest findings. Particularly the heart is affected.

Increased risk for heart attack

In the long-term study, the "Journal of the American College of Cardiology" was published, the researchers observed that 461.000 people without significant cardiovascular problems between the ages of 40 and 69 years of age over seven years.

A comprehensive evaluation of the sleep habits showed that In less than six hours of sleep, the risk for a heart attack by 20 percent increases for more than nine hours even 34 percent. The results correlate with the data from previous studies.

A 2003 study carried out to some 70,000 US Doctors took for example the connection between too low (less than seven hours) and high (more than nine hours) sleep duration and an increased risk for heart disease.

A further, large-scale study of the McMaster University in Hamilton, Canada, and collected over eight years of data on sleeping habits, life style and diseases of the around 117,000 volunteers from 21 different countries.

Here, too, the much-sleepers (more than eight hours) had a 20 percent increased risk for cardiovascular events, suffered more often from Depression, hypertension, and lung disease.

Study participants who slept less than six hours, sufferers, however, more likely to have Obesity and Diabetes.

6 to 8 hours are optimal

From the findings one can therefore conclude that – as so often in life – the Extreme health damage. Optimally, an average of six to eight hours of night’s sleep.

According to the latest results in the "Journal of the American College of Cardiology" this mediocrity has especially positive effects on people who have genetically a predisposition for Herzkerkanungen.

The probability to suffer a heart attack, can reduce the right amount of sleep to 18 percent.

Sleep as the basis of the health

Of adequate and uninterrupted night’s sleep, only our heart health benefits. Only sleep-essential for regeneration processes.

We offer growth hormones, and renew our cells, the metabolism, cleans the body and our brain processes the daily flood of information.

So, sleep is essential for Repair and recovery and at least as important for our Wolhbefinden such as sports and a balanced diet.

The authors of the current study, and hope stress is to create more awareness for the connection between sleep and health.

Sources

Author: Laura Hindelang

Dihub Ayas, Najib T. / White, David P. / Manson, Joann E. (2003): A Prospective Study of Sleep Duration and Coronary Heart Disease in Women, Jama Internal Medicine, the American Medical Association, Volume 163, Issue 2 https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/215006

Wang, Chuangshi W. / Bangdiwala, Shrikant I. / Rangarajan, Sumathy / Lear, Scott A. / et. al. (2018): Association of estimated sleep duration and naps with mortality and cardiovascular events: a study of 116 632 people from 21 countries, European Heart Journal, Oxfordy University Press, Volume 40, Issue 20 https://academic.oup.com/eurheartj/article-abstract/40/20/1620/5229545?redirectedFrom=fulltext

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