Study: Less than six hours sleep per night increases risk for heart disease - UPI News

Study: 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 NewsGetting enough sleep is good for your heart, study suggests  The Boston GlobeToo Little Or Too Much Sleep Can Affect The Heart  CBS New YorkView full coverage on Google News