Technology news and Jobs arrow Science arrow Postmenopause and stroke: Don’t sleep less than 6 hours or more than 9
Postmenopause and stroke: Don’t sleep less than 6 hours or more than 9 E-mail
by William Atkins   
Monday, 21 July 2008


The researchers found that women who slept more than nine yours per night on a regular basis had a 70% higher risk of having a stroke , when compared to women that slept about seven hours per night on a regular basis.

The study also found that postmenopausal women who slept less then six hours each night on a regular basis had a 14% increased risk of stroke than the women who regularly slept seven hours each night.

The authors concluded in the abstract to their paper, “Habitual sleep patterns are important neurobehavioral determinants of risk for ischemic stroke in postmenopausal women. The underlying neurobiology and mechanistic mediators for the putative adverse effect of long sleep ( 9 hours/night) need further elucidation.”

The authors of the study include Jiu-Chiuan Chen Robert L. Brunner, Hong Ren, Sylvia Wassertheil-Smoller, Joseph C. Larson, Douglas W. Levine, Matthew Allison, Michelle J. Naughton, and Marcia L. Stefanick.

They are associated with the Department of Epidemiology, University of North Carolina School of Public Health, Chapel Hill, North Carolina; Department of Family and Community Medicine, University of Nevada School of Medicine, Reno, Nevada; Fred Hutchinson Cancer Research Center, Seattle, Washington; Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York; Department of Psychology, University of North Carolina at Greensboro, Greensboro, North Carolina; Department of Family and Preventive Medicine, University of California San Diego, La Jolla, California; Wake Forest University School of Medicine, Winston-Salem, North Carolina; and Department of Medicine, Stanford University, Stanford, California.

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