Can sleep deprivation result in a heart attack?
Too little sleep may take a toll on your heart, say scientists who found that working in high-stress jobs that often require 24-hour shifts and lead to short-term sleep deprivation may increase blood pressure and heart rate.

People who work in fire and emergency medical services, medical residencies and other high-stress jobs are often called upon to work 24-hour shifts with little opportunity for sleep. While it is known that extreme fatigue can affect many physical, cognitive and emotional processes, this is the first study to examine how working a 24-hour shift specifically affects cardiac function....