Healthy HeartSubscriber OnlyTodays Newsbites Sleep Six to Nine Hours for Heart Health Published: October 11, 2019 Updated: January 5, 2020 0 Facebook Twitter Pinterest Google+ Print A new study in the Journal of the American College of Cardiology found that sleeping between six and nine hours a night, compared to less, is associated with 20 percent lower risk of heart attack. To continue reading this article you must be a paid subscriber Subscribe Subscribe to Tufts Health & Nutrition Get the next year of Tufts Health & Nutrition for as little as $18. And access all of our back issues and online content free of charge. Subscribe today and save 36% off the regular rate! Already Subscribed? Click Here to Sign In | Forgot your password?