How we sleep is fundamental to how we function when we’re awake. Kristina Grabnickas, a nurse practitioner and clinical coordinator at the University of Central Florida College of Medicine, was so fascinated by our nation’s sleep troubles that she started leading sleep workshops for the university’s students and faculty.

She shares what she’s learned through this process and shares some key tips to help you start getting a better night’s sleep right away. Plus, find out how our sleep needs evolve as we age and how we should adjust for these shifting needs.