Harvard Heart Letter

Sleep shortfall linked to higher risk of clogged arteries

Research we’re watching Too little sleep may be hard on your blood vessels, according to a study in the January issue of the Journal of the American College of Cardiology. For the study, 3,974 healthy, middle-aged people wore watchlike devices called actigraphs for a week to track how long they slept and how often they woke up and moved during the night. The participants also received three-dimensional ultrasounds of arteries in their necks…

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