People spend roughly one-third of their lives asleep. All too many spend the rest of their lives chronically underslept. What are the pressures that drive us to sleep? What are the benefits of sleep and the risks of not sleeping enough? In this upper-level seminar, we will attempt to answer such questions by reviewing the empirical literature and designing studies to better understand how we can get the most out of sleep. The course, which also may be of interest to students pursing a concentration in Mind, Brain, and Behavior (MBB), is open to moderated students who have the instructor’s permission or have already completed at least one of the following possible prerequisites: Cognitive Psychology (PSY 230), Learning & Memory (PSY 234), Neuroscience (PSY 231), or Introduction to Neurobiology (BIO 162).