Jiu-Chiuan Chen, Mark A Espeland, Robert L Brunner, Laura C Lovato, Robert B Wallace, Xiaoyan Leng, Lawrence S Phillips, Jennifer G Robinson, Jane M Kotchen, Karen C Johnson, JoAnn E Manson, Marcia L Stefanick, Gloria E Sarto, W Jerry Mysiw
INTRODUCTION: Consistent evidence linking habitual sleep duration with risks of mild cognitive impairment (MCI) and dementia is lacking. METHODS: We conducted a prospective study on 7444 community-dwelling women (aged 65-80 y) with self-reported sleep duration, within the Women's Health Initiative Memory Study in 1995-2008. Incident MCI/dementia cases were ascertained by validated protocols. Cox models were used to adjust for multiple sociodemographic and lifestyle factors, depression, cardiovascular disease (CVD), and other clinical characteristics...
January 2016: Alzheimer's & Dementia: the Journal of the Alzheimer's Association