People who don't get enough sleep show higher levels of inflammation, say scientists who study colds. Smoking, chronic stress and lack of exercise can make you more susceptible to the viruses, too. Frederic Cirou/PhotoAlto/Corbis hide caption

toggle caption Frederic Cirou/PhotoAlto/Corbis
Sleep More, Sneeze Less: Increased Slumber Helps Prevent Colds
  • Download
  • <iframe src="https://www.npr.org/player/embed/436385137/436525824" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript