The Effectiveness of Blue-Light-Emitting Glasses in Security Guards Exposed to Night Shift Work on Work-Related and General Fatigue: A Randomised Controlled Cross-Over Study
Abstract:This study aimed to evaluate the effectiveness of glasses that emit blue light in reducing the need for recovery, general fatigue, and stress levels in security guards who work night shifts. Light manipulation is seen as a promising strategy to mitigate complaints related to shift work, such as sleepiness and impaired cognitive performance. In a randomized controlled cross-over study design, 86 Dutch security guards used light-emitting glasses (exposure duration: 30 min) during night shifts in a five week peri… Show more
“…Previous studies have reported the potential of a brighter environment on reducing sleepiness in ICU nurses and security guards [ 4 , 5 ]. However, the effect we observed was very limited.…”
“…Previous studies have reported the potential of a brighter environment on reducing sleepiness in ICU nurses and security guards [ 4 , 5 ]. However, the effect we observed was very limited.…”
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