High illuminance and sleepiness in night
نویسندگان
چکیده
منابع مشابه
The effect of Bright light on Fatigue and sleepiness in night shift work nurses
Objective: In this study we assessed the effect of bright light emitted by light box on fatigue, and sleepiness in nurses. Methods: 44 healthy female shift work nurses were allocated into two groups of intervention and control. In the first stage, bright light was emitted to the nurses in the intervention group by the light box, and bright light was not emitted to the control group. In the nex...
متن کاملAssociations of the trend of changes in sleepiness and physiologic changes in night shift rehabilitation health care workers
Background & Objective: Sleepiness and the trend of changes of vital signs are important factors affecting the quality of work of hospital staff. The purpose of this study was to investigate the relationship between sleepiness with physiological changes and vital signs in night shift workers in rehabilitation staff. Methods: This study was a cross-sectional study, performed on night shift pers...
متن کاملHigh Illuminance Calibration Facility and Procedures
The range of calibration of illuminance meters and luminance meters has been normally limited to levels up to several thousand lx and several thousand cd/m2 using a high-power luminous intensity standard lamp. The calibration of instruments at much higher levels is required in applications such as daylight measurement, evaluation of solar simulators, and testing light sources in imaging devices...
متن کاملChewing can relieve sleepiness in a night of sleep deprivation.
Night sleepiness in two groups of student volunteers who stayed awake for one night was assessed at standardized time (22:00, 01:00, 04:00, 07:00) by the Stanford Sleepiness Scale (SSS). One group (N=21) chewed the chewing gum from midnight until the end of the experiment in the morning, while the other group (N=43) was not chewing at all. The results show that both groups at the initial assess...
متن کاملrelationship between oral temperature and sleepiness among night workers in a hot industry
night work can have a significant impact on health, well-being, performance and occupational safety of workers. night workers often complain about the sleep disorder characterized by excessive sleepiness. the aim of the study was to determine the level of sleepiness among night workers and investigate its relationship with oral temperature in a hot industry. this cross-sectional study involved...
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ژورنال
عنوان ژورنال: Journal of the Illuminating Engineering Institute of Japan
سال: 1992
ISSN: 0019-2341,1349-838X,2185-1506
DOI: 10.2150/jieij1980.76.2_99