AANS Neurosurgeon | Volume 29, Number 2, 2020


Sleeping Too Much or Too Little May Affect Stroke Risk Differently Based on Race

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How many hours people sleep at night may affect their risk of stroke differently based on race.

The study found that black men who slept less than six hours per night were less likely to later have a stroke when compared to black men who were average sleepers. White men who slept nine or more hours a night were at an increased risk of stroke when compared to white men who were average sleepers. There were no differences in stroke risk by sleep duration for black or white women.

“These results suggest that short and long sleep duration may have different consequences for people depending on race and sex,” said study author Virginia J. Howard, PhD, of the University of Alabama at Birmingham and a member of the American Academy of Neurology. “More research is needed to determine the mechanisms behind these relationships. In the meantime, this emphasizes how important it is to better monitor and control cardiovascular risk factors in middle-aged to older people who have long sleep periods.”

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