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Long Sleep Duration May Signal Increased Stroke Risk

long sleepA new study has shown a J-shaped relationship between sleep duration and future stroke risk, with a particularly strong signal associated with long sleep duration.

Investigators at the University of Cambridge in the United Kingdom found that short sleep was associated with an 18% increased stroke risk (not statistically significant), and long sleep was associated with a 46% increase in stroke risk after adjustment for conventional cardiovascular disease risk factors and comorbidities.