Sleep is not a luxury but a necessity. You’d be surprised by how many people shortchange themselves when it comes to getting a good night’s sleep. This week on Dr. Greg Davis on Medicine we hear from Dr. Lauren Whitehurst, an assistant professor of psychology from the College of Arts and Sciences, on how sleep is tied to our emotions and how depriving ourselves of it opens the door to a myriad of health problems. Conditions particularly acute as we continue to cope with the COVID-19 pandemic.