Summary
This paper investigates the impact of dynamic LED lighting on office occupants' health, well-being, and experience, finding that dynamic lighting can increase alertness and marginally improve mood, but may decrease perceived sleep quality and sleep time.
Categories
Alertness and performance: The paper finds that dynamic lighting can significantly increase alertness in office workers, particularly in the afternoon.
Sleep and insomnia: The study observes a significant decrease in perceived sleep quality and sleep time when subjects are exposed to dynamic lighting.
Mood regulation: The research notes a marginal benefit to mood when office workers are exposed to dynamic lighting.
Employee satisfaction and retention: The paper discusses the potential for dynamic lighting to improve job satisfaction by improving environmental conditions, but does not find significant differences in satisfaction or perceived naturalness between dynamic and static lighting conditions.
Lighting Design Considerations: The study explores the design and implementation of a dynamic lighting system in an office environment, including the use of an advanced lighting controller and LED luminaires that can vary both illuminance and color temperature.
Author(s)
R Zhang, C Campanella, S Aristizabal
Publication Year
2020
Number of Citations
42
Related Publications
Alertness and performance
- The twoâprocess model of sleep regulation: a reappraisal
- Functional and morphological differences among intrinsically photosensitive retinal ganglion cells
- Acute alerting effects of light: A systematic literature review
- Can light make us bright? Effects of light on cognition and sleep
- Shining light on memory: Effects of bright light on working memory performance
Sleep and insomnia
- The twoâprocess model of sleep regulation: a reappraisal
- Strange vision: ganglion cells as circadian photoreceptors
- Melanopsin-positive intrinsically photosensitive retinal ganglion cells: from form to function
- Functional and morphological differences among intrinsically photosensitive retinal ganglion cells
- The impact of light from computer monitors on melatonin levels in college students
Mood regulation
- Effects of artificial dawn and morning blue light on daytime cognitive performance, well-being, cortisol and melatonin levels
- Nocturnal light exposure impairs affective responses in a wavelength-dependent manner
- The role of the circadian clock in animal models of mood disorders.
- Signalling by melanopsin (OPN4) expressing photosensitive retinal ganglion cells
- Early electronic screen exposure and autistic-like symptoms
Employee satisfaction and retention
- Work environments
- Working Time Society consensus statements: Circadian time structure impacts vulnerability to xenobioticsârelevance to industrial toxicology and nonstandard work âŠ
- Neurocognitive impairment in night and shift workers: a meta-analysis of observational studies
- The impact of light including non-image forming effects on visual comfort
- A multi-domain data collection strategy for capturing relationships between occupant behaviour, comfort, indoor environment, and energy use in office
Lighting Design Considerations
- Color appearance models
- Melanopsin-positive intrinsically photosensitive retinal ganglion cells: from form to function
- Acute alerting effects of light: A systematic literature review
- Form and function of the M4 cell, an intrinsically photosensitive retinal ganglion cell type contributing to geniculocortical vision
- Melanopsin and rodâcone photoreceptors play different roles in mediating pupillary light responses during exposure to continuous light in humans