Introduction to Sleep Epidemiology

Harvard HSPH

Sleep is fundamental to health and well-being and is influenced by health-related behaviors, the social and physical environments, genetics, and health conditions. Disturbed and/or insufficient sleep can increase risk for behavioral morbidities, mood disturbances, poor quality of life, accidents, cognitive decline, chronic cardiometabolic diseases, and cancer. Sleep is increasingly recognized as a “fourth pillar of health” (along with diet, physical activity, and stress) in the…