While the study of sleep is a relatively new field, researchers over the past two decades have revealed the powerful effects of sleep — or the lack of it — on overall health and well-being. But who are these slumber scientists, who research a realm that begins when their patients slip into a dream state? Meet Azizi Seixas, Ph.D. Dr. Seixas dedicates his career to advancing our knowledge of sleep to improve the health of communities, particularly those that are underserved.