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

Abstract 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...

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Autores principales:	Lijun Chen, Fang-Fang Yan, Shuhan Fan, Yifan Wu, Jia Yang, Hua Yang, Chang-Bing Huang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d9551c0ba94045ae889bdf7eaca7b74d
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spelling	oai:doaj.org-article:d9551c0ba94045ae889bdf7eaca7b74d2021-12-02T13:57:59ZThe effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day10.1038/s41598-021-81182-y2045-2322https://doaj.org/article/d9551c0ba94045ae889bdf7eaca7b74d2021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-81182-yhttps://doaj.org/toc/2045-2322Abstract 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.Lijun ChenFang-Fang YanShuhan FanYifan WuJia YangHua YangChang-Bing HuangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Lijun Chen Fang-Fang Yan Shuhan Fan Yifan Wu Jia Yang Hua Yang Chang-Bing Huang The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day
description	Abstract 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.
format	article
author	Lijun Chen Fang-Fang Yan Shuhan Fan Yifan Wu Jia Yang Hua Yang Chang-Bing Huang
author_facet	Lijun Chen Fang-Fang Yan Shuhan Fan Yifan Wu Jia Yang Hua Yang Chang-Bing Huang
author_sort	Lijun Chen
title	The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day
title_short	The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day
title_full	The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day
title_fullStr	The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day
title_full_unstemmed	The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day
title_sort	effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/d9551c0ba94045ae889bdf7eaca7b74d
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The effects of short-term light exposure on subjective affect and comfort are dependent on the lighting time of day

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