Saturday, December 14, 2019

Sleeping over 9hrs/night ups chances of stroke

14.12.2019

Sleeping more than nine hours a night or grabbing a lengthy afternoon nap raises the risk of suffering a stroke by up to a quarter, warns a new study.

Researchers found that people who sleep nine or more hours per night are 23% more likely to later have a stroke than people who sleep less than eight hours per night.

The study also showed that people over 60 who took a regular midday nap lasting more than 90 minutes were 25% more likely to later suffer a stroke than people who took a regular nap lasting from up to an hour or no nap at all.

The study, published in ‘Neurology’, involved 31,750 people in China with an average age of 62. The people did not have any history of stroke or other major health problems at the start of the study. Study author Xiaomin Zhang said: “More research is needed to understand how long naps and sleeping longer hours at night may be tied to an increased risk of stroke”.

The study participants were followed for an average of six years, during which time there were 1,557 stroke cases. The participants were questioned about their sleep and napping habits.

Zhang said midday napping is common in China. About 8% of the people took naps lasting more than 90 minutes, while 24% said they slept nine or more hours per night.

People who were both long nappers and long sleepers were 85% more likely to later have a stroke than people who were moderate sleepers and nappers. DAILY MIRROR

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