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The Risks of Sleeping for Too Long: A Warning from the Study


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We are constantly asked to get enough sleep, but scientists warn that too much sleep can be harmful.

Researchers at the University of Galway in Ireland analyzed data from 5,000 people, half of whom had already had a stroke. Participants who slept more than nine hours a night had double the risk of stroke compared to those who slept the standard seven hours.

The results also showed that people who slept less than five hours a night were three times more likely to have a stroke. The study was observational, which means it couldn’t prove whether too much or too little sleep increases the risk of stroke.

The Centers for Disease Control and Prevention (CDC) says everyone should get at least seven hours of sleep each night.

Too much sleep has already been linked to numerous health problems, including heart disease, diabetes, and obesity.

Dr. Christine McCarthy, a sleep specialist who led the study, said: “Our results suggest that sleep problems should be the focus of attention to prevent stroke. With these findings, clinicians can have early conversations with people who have trouble sleeping.”

It’s not clear why excessive sleep increases the risk of stroke, but scientists have pointed out that it could be a sign of other health problems.

This includes a sedentary lifestyle, anemia or depression – all of which are known to increase the risk of stroke – or an increased likelihood of obesity.

On the other hand, lack of sleep is also known to increase the risk of stroke due to higher levels of blood pressure, inflammation, and an increased risk of obesity and type 2 diabetes.

In the latest study, published in the journal Neurology, scientists analyzed data from 5,000 people who participated in the INTERSTROKE study, which followed patients and controls from 32 countries.

Participants were 62 years old on average and were all asked to complete a questionnaire about their sleep, including how many hours they slept, what quality of sleep they were, whether they napped, snored, or had trouble breathing while sleeping.

The results showed that in the stroke group, 151 people slept more than nine hours.

The data also showed that in the stroke group, 162 people got less than five hours of sleep, while that dropped to 43 in the non-stroke group.

Scientists also found that people who snore in their sleep (a sign of sleep apnea) are three times more likely to suffer a stroke than those who don’t.

The data also showed that people who snore were 91% more likely to have a stroke.

McCarthy added: “Our results not only show that individual sleep problems can increase stroke risk, but having more than five of these symptoms can lead to a fivefold increased risk of stroke compared to those who do not have sleep problems. “.

The limitations of the study were that all sleep data was provided by the participants themselves.

Participants were not required to wear the wrist device at night for any period in order to record their actual sleep patterns.

They were also not asked to provide records of when they breathed or snored in their sleep, or to show doctors a note confirming they had sleep apnea.

The study was funded by the Canadian Institute for Health Research, the nation’s leading organization for health research.

Source: Daily Mail

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