Learn about Nurse Fatigue in this study of Critical Care nurses. Article by Scott, Rogers, et al, was published in the American Journal of Critical Care, 2006. It led researchers to support the Institute of Medicine recommendations to minimize the use of 12-hour shifts and to limit nurses’ work hours to no more than 12 consecutive hours during a 24-hour period. Title: “Effects of Critical Care Nurses’ Work Hours on Vigilance and Patients’ Safety”.