Can being on call overnight up your risk of death?
Sleep-deprived doctors are at higher risk of death from cardiovascular disease if they get less than six hours of kip a night, new US research reveals.
The study looked at data on the sleep habits and CVD parameters of more than 14,000 people, comparing deaths from stroke, MI and heart failure, as well as cardiovascular risk factors.
It shows there is a sweet spot for sleep and cardiovascular health that seems to be between six and seven hours.
Any less, or more, increases the risk of death in a