Racial Differences in Heart Rate Variability During Sleep in Women: The Study of Women?s Health Across the Nation Sleep Study Hall MH, Middleton K, Thayer JF, Lewis TT, Kline CE, Matthews KA, Kravitz HM, Krafty RT, Buysse DJ (Psychosomatic Medicine, 75:783-790, 2013) Although the leading cause of death for women in the United States is cardiovascular disease, little is known about the pathways through which sleep...