Steffen Lutz Hartmeyer

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Post-Occupancy Evaluation of Office Lighting – What Can We Learn from Light-Dosimetry?

Marilyne Andersen, Steffen Lutz Hartmeyer

Integrative lighting design aims to support human health and wellbeing by considering the visual and nonvisual effects light has on building occupants. Given that nonvisual responses depend on the amount and pattern of light received at the eye over time, ...

Informa UK Limited2025

Tracing the (in)visible: Methodological advances in light-dosimetry to support integrative lighting research

Steffen Lutz Hartmeyer

Modern life, predominantly spent indoors, has profoundly altered natural patterns of light exposure, including the intensity, spectral composition, and timing of light that humans experience daily. These changes are particularly relevant given the growing ...

EPFL2025

LightLogR: Reproducible analysis of personal light exposure data

Steffen Lutz Hartmeyer

The Open Journal2025

Multi‐Wearable Approach for Monitoring Diurnal Light Exposure and Body Rhythms in Nightshift Workers

Marilyne Andersen, Steffen Lutz Hartmeyer

AimAs our understanding of light's impact on human health grows, studies examining light exposure and related health outcomes in everyday settings are increasingly important, particularly in high‐risk groups like nightshift workers.MethodsIn this observati ...

Wiley2025

Identification of Spectral Distributions in Light-Dosimetry Data: Methodology and Application to an Intervention Field Study

Marilyne Andersen, Steffen Lutz Hartmeyer

Modern life in predominantly indoor environments has led to a profound alteration in the amount, spectral distribution, and pattern of light humans are exposed to daily. Given the role of light in health and well-being, and to understand how modern living ...

2024

Effectiveness of blue light-emitting glasses for intensive care unit health care workers on night shifts during the COVID-19 pandemic

Steffen Lutz Hartmeyer

SPRINGER2023

Exploring spatiotemporal dynamics in light-dosimetry

Marilyne Andersen, Steffen Lutz Hartmeyer

Light-dosimetry aims to measure personal light exposure in real-life settings, allowing to investigate the role of light in visual, physiological, and behavioural processes. One aspect not yet considered in light-dosimetry is the spatial distribution of li ...

2023

Towards a framework for light-dosimetry studies: Methodological considerations

Marilyne Andersen, Steffen Lutz Hartmeyer, Forrest Simon Webler

For field research of non-visual effects of light, accurate measurement of personal light exposure is required. A consensus framework for light-dosimetry could improve non-visual field research and ensure comparability between studies. Here, we present a r ...

2023

Towards a framework for light-dosimetry studies: Quantification metrics

Marilyne Andersen, Steffen Lutz Hartmeyer

Light dosimetry aims to measure personal light exposure with wearable sensors, which is a complex multistep procedure. The resulting data may be used to investigate non-visual effects of light in real-life settings, to validate laboratory findings and answ ...

2023

Exploring light exposure of hospital nurses working rapidly rotating shifts in relation to sleepiness and sleep

Steffen Lutz Hartmeyer

Nightshift work can negatively impact sleep, performance, and health. Careful manipulation of light exposure patterns can help reduce these negative effects but is challenging in conditions of rapidly rotating shiftwork and due to individual differences. A ...

IOP PUBLISHING LTD2021

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Identification of Spectral Distributions in Light-Dosimetry Data: Methodology and Application to an Intervention Field Study

Marilyne Andersen, Steffen Lutz Hartmeyer

2024

Exploring spatiotemporal dynamics in light-dosimetry

Marilyne Andersen, Steffen Lutz Hartmeyer

2023

Effectiveness of blue light-emitting glasses for intensive care unit health care workers on night shifts during the COVID-19 pandemic

Steffen Lutz Hartmeyer

SPRINGER2023