Poor sleep habits may put you at higher risk for heart diseases when compared to those who get around seven hours of good quality sleep every night a study says. Inadequate sleep is a common problem and a likely source of poor health including visible signs of disease such as heart attack said study co-lead author Chan-Won Kim from Sungkyunkwan University School of Medicine in Seoul South Korea. Here are more expert tips to prevent heart disease. Researchers studied more than 47000 young and middle-aged adults who completed a sleep questionnaire and had advanced tests to detect early coronary artery