Differences in day and night shift clinical performance in anesthesiology.
Cao CGL, Weinger MB, Slagle JM, et al. Differences in day and night shift clinical performance in anesthesiology. Hum Factors. 2008;50(2):276-90.
This study discovered that task performance and mood were different on the night shift compared to daytime hours, a finding the authors attributed to fatigue. They advocate for restructuring of resident schedules to optimize rest in the setting of existing work hour restrictions.