Background and aims: Shift work and in particular night shift work is associated with many problems such as sleep deprivation, sleepiness, decreased cognitive performance, increased human errors, and fatigue; it is also one of the major contributors of increasing the likelihood of risk of accidents in the industry. Better matching between individuals’ circadian rhythm and night shift and ...

Introduction: Shift work in the nursing profession can affect occupational performance and sleep quality and lead to impairment in coping with job stress. Regarding the possible differences between sleep quality and job stress of nurses in different work shifts, the purpose of this study was to determine the relationship between sleep quality and job stress of nurses in different work shifts. ...

Background and aims Some social systems if necessary 'are obliged to recruit their personnel in rotation shifts.on the other hand working rotatedly disrupts persons biological rhythms and this may cause some disorders in their body physiology and make tobe affected to physical 'psychological'and social disorders.so'this research is accomplished to determin the level of serum cortisol and aldest...

The energies of the emission spectral lines originating from vacancies in deep atomic shells change if the elements are in different oxidation states. These changes of energies cause small shifts in spectral lines. For Sulfur and Magnesium, these shifts are shown in this work, and also the influence that they may have on the calibration of wavelength-dispersive spectrometers and in consequence,...

  Background and Aim: Sleep and rest are major needs of human which are included in physiologic needs category of Maslow's hierarchy of needs. Since nurses work on morning, evening and night shifts irregularly, they are exposed to sleep problems. The purpose of this study was to investigate the quality of sleep and related factors among staff nurses working in Imam Khomeni hospital affiliated t...

Introduction: Shift work is an occupational stressor that influences some workforce. The present study examined shift work disorders among people who work in Hamadan Glass Factory. Materials and Methods: Participants included 210 workers (130 shift workers and 80 day-workers) of Hamadan Glass Factory. The survey of shift workers (SOS) was used to collect information on respondents’ demographic...