Why Your Heart Needs A Good Night's Sleep - WebMD

Why Your Heart Needs A Good Night's Sleep  WebMDStudy: Less than six hours sleep per night increases risk for heart disease  UPI NewsStudy: Lack Of Sleep Affects Heart  CBS MiamiSleeping less than six hours a night may take a toll on heart health  CBS NewsToo Little Or Too Much Sleep Can Affect The Heart  CBS New YorkView full coverage on Google News