Sleeping Over 8 Hours a Night is a Cause of Premature Death

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Researchers at Keele University found out that people who like to sleep over eight hours a night are more likely to develop different conditions which cause premature death.

They analyzed the data from 74 studies which contained information on the sleep quality and habits of three million people (from 1970 to 2017).

Researchers from the University of East Anglia, Leeds University, and Manchester concluded that people who sleep over eight hours a night saw an increase in heart disease by 44%.

Resting in bed for over 10 hours was connected to an increased risk of death from cardiovascular disease (49%), and from stroke (56%).

Their study was recently published in the Journal of the American Heart Association.

According to the findings, abnormal sleep is a “marker of elevated cardiovascular risk,” and doctors should ask their patients during the appointments about their sleeping patterns.

Excessive Sleep Increases Cardiovascular Risk

Dr. Chun Shing Kwok is the lead researcher of this study, stating the significance of their work:

“Our study has an important public health impact in that it shows that excessive sleep is a marker of elevated cardiovascular risk. If excessive sleep patterns are found, particularly prolonged ­ durations of eight hours or more, then clinicians should consider screening for adverse ­ cardiovascular risk factors and ­ obstructive sleep apnea.”

He explains that sleep apnea is “a serious sleep disorder that occurs when a person’s breathing is interrupted during sleep.”

Some scientists have connected sleep apnea to the prolonged hours of sleep. The researchers admit that the study was limited because the duration of sleep was self-reported. Moreover, some patients might have had mental or physical conditions that impacted their sleep patterns.

Until now, there have only been studies on how too little sleep increases the risk of dying. Research shows that people who sleep less than six hours a night have an increase risk of dying.

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Andre Blair s is the lead editor for Advocator.ca. He holds a B.A. in Psychology from the University of Toronto, and a Master of Science in Public Health (M.S.P.H.) from the School of Public Health, Department of Health Administration, at the University of North Carolina at Chapel Hill. Andre specializes in environmental health, but writes on a variety of issues.


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