Morning bright light exposure has no influence on self-chosen exercise intensity and mood in overweight individuals – A randomized controlled trial

Knaier, Raphael; Klenk, Christopher; Königstein, Karsten; Hinrichs, Timo; Rossmeissl, Anja; Infanger, Denis; Cajochen, Christian; Schmidt‐Trucksäss, Arno

doi:10.1080/07420528.2017.1414828

Chronobiology International

2017

DOI: 10.1080/07420528.2017.1414828

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Morning bright light exposure has no influence on self-chosen exercise intensity and mood in overweight individuals – A randomized controlled trial

Raphael Knaier

Christopher Klenk

Karsten Königstein

et al.

Abstract: VO2max: maximum oxygen uptake; 95% CI: 95% confidence interval; SD: standard deviation.

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Cited by 2 publications

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“…On the other hand, subjects can be exposed to light in the morning (e.g. 08:00; 23 ), afternoon (e.g. 15:00; 13 ), and/or evening (e.g.…”

mentioning

confidence: 99%

The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day

Chen

Feng

Fan

et al. 2021

Sci Rep

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Light, one of the key environmental components for both life and work, played significant role in subjective feelings (e.g. affect and comfort), but the exact effects and mechanisms were still to be determined. The present study screened thirty healthy adults (13 females, 22.45 ± 3.26 years) and examined subjective affect and comfort under short-term white lights with different combination of correlated color temperature (CCT) and illuminance at different times of day (e.g. morning, afternoon, and evening). Our results showed a significant interaction between illuminance level and time-of-day on subjective comfort. Participants felt more comfortable under 50 lx and 100 lx instead of 500 lx in the evening, and more comfortable under 500 lx in the morning and afternoon. In addition, a positive correlation between illuminance and comfort in the morning and a negative correlation between them in the evening were found. No significant effect of CCT on any subjective feeling was revealed. Our results necessitate the consideration of time-of-day in understanding lighting effects and application of healthy lighting in daily life.

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“…On the other hand, subjects can be exposed to light in the morning (e.g. 08:00; 23 ), afternoon (e.g. 15:00; 13 ), and/or evening (e.g.…”

mentioning

confidence: 99%

The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day

Chen

Feng

Fan

et al. 2021

Sci Rep

View full text Add to dashboard Cite

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Assessing the Effects of Polychromatic Light Exposure on Mood in Adults: A Systematic Review Contrasting α-opic Equivalent Daylight Illuminances

Nixon

Robillard

Leveille

et al. 2023

LEUKOS

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Morning bright light exposure has no influence on self-chosen exercise intensity and mood in overweight individuals – A randomized controlled trial

Abstract: VO2max: maximum oxygen uptake; 95% CI: 95% confidence interval; SD: standard deviation.

Cited by 2 publications

References 27 publications

The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day

The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day

Assessing the Effects of Polychromatic Light Exposure on Mood in Adults: A Systematic Review Contrasting α-opic Equivalent Daylight Illuminances

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