http://www.telegraph.co.uk/science/2016/12/02/sleep-deprivation-puts-strain-heart-scientists-prove/
Citando:
"For the first time, we have shown that short-term sleep deprivation in the context of 24-hour shifts can lead to a significant increase in cardiac contractility, blood pressure and heart rate," said study author Dr Daniel Kuetting, of the University of Bonn in Bonn, Germany"