A new study found that risk of stroke may be higher in people affected by high blood pressure that either sleep too much or lack sleep at night.
The authors of the study sifted through data on more than 200,000 high blood pressure patients living in the U.S. to learn that the risk of stroke in patients that fail to sleep at least five hours each night was 83 percent higher than in patients who regularly had seven or eight hours of night sleep.
Researchers also found that those that sleep in excess, or more than eight hours a night boosted their stroke risk by 74 percent.
Dr. Oluwaseun Akinseye, one of the authors of the study from the Icahn School of Medicine of Mount Sinai Hospital in NYC, said that the findings surprised his team because most studies showed that lack of sleep in people with high blood pressure had only a moderate influence on their stroke risk.
“Our study showed much higher odds of a stroke, almost a twofold increase,”
he also said.
However, scientists stated that they did not find a cause and effect relationship, although they did find a link between sleep deprivation or excess sleep and heightened stroke risk in high blood pressure patients.
The findings of the study were officially released Friday at the American Society of Hypertension’s annual conference. Yet, since the study wasn’t published or reviewed, its conclusions remain in the preliminary phase.
According to the research’s background information, one-third of U.S. adults were diagnosed with high blood pressure which by itself alone boosts stroke risk and sometimes worsen cardiovascular diseases.
According to a CDC report, about 800,000 U.S. adults have a stroke each year. So, many stroke survivors find themselves disabled sometimes beyond repair.
Strokes usually occur when either a blood clot clogs a blood vessel in the brain (ischaemic stroke) or when a brain blood vessel bursts (haemorrhagic stroke). Haemorrhagic strokes are deadlier but rarer than ischaemic ones.
Patients involved in the study were monitored nine years through the National Health Interview Survey. Scientists analyzed the data and found that people with high blood pressure that slept too much had a 14 percent stroke risk, those who didn’t have enough sleep, the so called insufficient sleepers, had an 11 percent risk, those who slept up to six hours per night had a 6 percent risk, while those who got enough sleep had only a 5 percent stroke risk.
Image Source: Remrec
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