We have known for years that a lack of sleep makes you more susceptible to infectious diseases like the common cold. Now, a new study published in the journal BMJ Nutrition, Prevention & Health shows that poor sleep and burnout increase the risk for COVID-19. Researchers monitored more than 2,800 health care workers in six countries who were high-risk for COVID-19, as they worked in critical care, emergency care, or internal medicine. They found that each additional hour of sleep resulted in a 12 percent decreased risk for COVID-19. Those suffering from work-related burnout were over 2.5 times more likely to be infected with COVID-19, battle an infection for a longer amount of time, and be more likely to have severe COVID-19.