Melatonin and Circadian Rhythms

Verster, G C

doi:10.1201/b11101-3

Cited by 1 publication

(2 citation statements)

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“…Interruption in the sleep-wake behaviour can negatively affect daytime alertness and work performance the following day. 9 Therefore, the characteristics of light and its timing of exposure are important consideration and would determine the magnitude and direction of the circadian resetting effect, besides influencing acute alerting effects. 70 Daytime architectural lighting requirements for supporting the diurnal circadian rhythm and acute alerting effects could differ from that of the night-time period.…”

Section: Lighting Factor 3: Timingmentioning

confidence: 99%

“…6 Unfortunately, the indoor lighting conditions are contributing towards light-induced circadian disruption (circadian desynchronisation from an entrained condition due to the inappropriate architectural lighting exposures throughout the day). 5,[7][8][9][10] Research agencies in World Health Organization have highlighted architectural (artificial) lighting exposures are relatively dim during the day (mainly < 500 lx in workplace), 11,12 and too bright at night when compared to the natural daylight and moonlight levels. The two exact opposite lighting scenarios are affecting individuals' psychophysiological wellbeing.…”

Section: Introductionmentioning

confidence: 99%

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Identifying supportive daytime lighting characteristics for enhancing individuals’ psychophysiological wellbeing in windowless workplace in tropical Malaysia

Sithravel

Ibrahim

2019

Indoor and Built Environment

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Inappropriate architectural lighting exposures in workplaces are causing light-induced health and performance-related problems among healthy, urban individuals. This paper presents part one of an integrated tropical architectural lighting design framework for improving dayshift individuals’ psychophysiological wellbeing in windowless workplace in Malaysia. The paper discusses five architectural lighting factors, namely intensity, spectrum, timing, duration, spatial distribution. The daytime lighting characteristics that influence individuals’ psychophysiological wellbeing indicators (IPWI) were analysed. Findings indicated a dearth of literature in the lighting characteristics to support IPWI in the tropics, as evidence was predominantly from seasonal climate contexts. This motivated a critical discussion on the lighting factors and recommendations of alternative design consideration for a tropical Asian context. Potential daytime architectural lighting characteristics likely to support dayshift IPWI in windowless workplace in tropical Malaysia were also recommended for further investigations. These recommendations in the framework are expected to facilitate healthier windowless workplace design in Malaysia.

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Section: Lighting Factor 3: Timingmentioning

confidence: 99%