Hospital staff nurses work in these, & a recent study shows that nearly half of them exceed 12 hours
These data are analysed to present a profile of how common 12-hour 
... sectional national view of the prevalence of nurses working 12-hour shifts in 
different... [DOC] [TLE] Effects of Health Care Provider Work Hours and Sleep ... - NPR [PAR] injury, exposing them to an increased risk of acquiring hepatitis, HIV, or other ... 
the impact of resident-physician and nurse work hours on ... the companion 
article by Landrigan et al.,12 the manner in ... care workers and then discuss 
recent clinical studies that ... their combined effects exceed their individual 
decrements,.