5 questions that will determine if you're getting enough sleep

Dan Kitwood/Getty Experts commonly advise that everyone get seven to eight hours of sleep, but your personal sleep needs can vary. INSIDER spoke with sleep specialist Michael Breus to learn about the physical signs that you're well rested (or sleep deprived). Your sleep habits and your eating habits could say a lot about how much more (or less) sleep you need. Everyone knows to aim for seven or eight hours of sleep per night. But that number is a general benchmark— and sleep needs can vary fro...