Sara She is an associate professor in the Department of Psychology, and in the interview, she spoke about what it means to sleep well and poorly, and how sleep is studied. Sara has been a clinical teaching collaborator at the Sleep and Applied Chronobiology Laboratory of the Faculty of Medicine (UAM) since 2002, where she trained in the study of sleep and biological rhythms, completing her training in this field with a stay at the Sleep Research and Treatment Center of Pennsylvania State University, and another stay at [unspecified institution]. Circadian Technologies Inc., in Boston, Massachusetts.