If you're looking for a way to prevent a winter cold, try getting eight hours of sleep.
More than 12 dozen signed up for a study at Carnegie Mellon University where they were injected with the common cold virus. For the next five days, researchers reported any cold symptoms that showed up. Researchers discovered that those who got less than seven hours of sleep were three times more likely for that virus to develop into a full-blown cold, while the group that slept 8 hours or more mostly slept off their cold symptoms.
Researchers say that confirms the theory that a lack of sleep interferes with the body's immune response making it easier for infection to flourish.