Topic: West Virginia University

Share | People who sleep more or fewer than seven hours a day are increasing their risk for cardiovascular disease, the leading cause of death in the United States, a recent study has shown.. Sleeping fewer than five hours a day, including ...

Seven hours the magic number for sleep: study

People who sleep more or fewer than seven hours a day, including naps, are increasing their risk for cardiovascular disease, the leading cause of death in the United States, a study published Sunday shows.Sleeping fewer than five hours a day, including naps, ...