Did you know that the single best predictor of daytime performance is the quality of the previous night’s sleep? Review and learn the most up-to-date information on the biological, personal, and societal relevance of sleep in “Sleep: Neurobiology, Medicine, and Society,” an online course from Michigan Online. Learners will explore the neurobiological basis of sleep control, how sleep deprivation, jet lag, and substances such as alcohol, caffeine, and nicotine alter sleep and wakefulness, and more. This course is free for U-M alumni, students, faculty, and staff.