An actigraphy study of sleep and pain in midlife women: the Study of Women's Health Across the Nation Sleep Study.
Kravitz HM, Zheng H, Bromberger JT, Buysse DJ, Owens J, Hall MH. An actigraphy study of sleep and pain in midlife women: the Study of Women's Health Across the Nation Sleep Study. Menopause. 2015 Jul; 22(7):710-8.