Cohort Study: Association of Estimated Sleep Duration and Naps with Mortality and Cardiovascular Events

Association of estimated sleep duration and naps with mortality and cardiovascular events: a study of 116 632 people from 21 countries – European Heart Journal (free)

News Release: Too much or too little sleep linked to increased risk of cardiovascular disease and death – European Society of Cardiology (free)

Editorial: Sleep and cardiovascular risk: how much is too much of a good thing? (free)