WASHINGTON, Sept. 1 (PNA/Xinhua) — People who sleep six hours a night or less are more likely to catch a cold, U.S. researchers said Monday. The findings, published in the U.S. journal Sleep, added to growing evidence of the importance of sleep for our health. “It goes beyond feeling groggy or irritable,” lead author Aric Prather, assistant professor of psychiatry at the University of California, San Francisco, said in a statement. “Not getting enough sleep […]