Introduction: Earlier menopause has been associated with increased risk of cardiovascular disease, osteoporosis, shorter life expectancy and even cognitive decline. There are many factors that cause differences in the age women, one these environmental is a history night shift work as consequence job. It not yet known whether female medical workers, shifts, get earlier menopause.Methods: This c...

Objective: To characterize naps during night shifts in terms of duration, allocation, quality, and sleep efficiency among nursing professionals. Cross-sectional study conducted in 2009. Professionals working the night shift for more than one year and reporting no sleep complaints answered a questionnaire, wore an actigraph (device to monitor human sleep-wake cycle) and completed an activity pro...

The aim of this study was to examine a regular rotating 12-h shift system (2D2N4Off) at an Australian Smelter. Sleep behavior, subjective fatigue and neurobehavioral performance were investigated over a 14-day period for 20 employees. Activity monitors, sleep/wake diaries, and 5-min psychomotor vigilance tasks were used. Sleep data showed differences between day and night shifts. While sleep pr...

Following the implementation of the European Working Time Directive Regulations, almost all junior doctors in the UK now work full night-shifts. An RCP 50-member working group was established to develop a practical guide to help junior doctors prepare, survive and recover from working night shifts. The guide, set out in this paper, examines the evidence concerning the hazards of shiftwork, and ...