Metabolic responses to polychromatic LED and OLED light at night

Abstract Light exposure at night has various implications for human health, but little is known about its effects on energy metabolism during subsequent sleep. We investigated the effects of polychromatic white light using conventional light-emitting diodes (LED) and an alternative light source, org...

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Autores principales:	Asuka Ishihara, Insung Park, Yoko Suzuki, Katsuhiko Yajima, Huiyun Cui, Masashi Yanagisawa, Takeshi Sano, Junji Kido, Kumpei Tokuyama
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a9feaefe97774250be702d70056a38df
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spelling	oai:doaj.org-article:a9feaefe97774250be702d70056a38df2021-12-02T17:52:33ZMetabolic responses to polychromatic LED and OLED light at night10.1038/s41598-021-91828-62045-2322https://doaj.org/article/a9feaefe97774250be702d70056a38df2021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91828-6https://doaj.org/toc/2045-2322Abstract Light exposure at night has various implications for human health, but little is known about its effects on energy metabolism during subsequent sleep. We investigated the effects of polychromatic white light using conventional light-emitting diodes (LED) and an alternative light source, organic light-emitting diodes (OLED), producing reduced spectral content in the short wavelength of blue light (455 nm). Ten male participants were exposed to either LED, OLED (1000 lx), or dim (< 10 lx) light for 4 h before sleep in a metabolic chamber. Following OLED exposure, energy expenditure and core body temperature during sleep were significantly decreased (p < 0.001). Fat oxidation during sleep was significantly reduced (p = 0.001) after the exposure to LED compared with OLED. Following exposure to OLED, fat oxidation positively correlated with the 6-sulfatoxymelatonin levels, suggesting that the role of melatonin in lipolysis differs depending on the light. These findings advance our knowledge regarding the role of light in energy metabolism during sleep and provide a potential alternative to mitigate the negative consequences of light exposure at night.Asuka IshiharaInsung ParkYoko SuzukiKatsuhiko YajimaHuiyun CuiMasashi YanagisawaTakeshi SanoJunji KidoKumpei TokuyamaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Asuka Ishihara Insung Park Yoko Suzuki Katsuhiko Yajima Huiyun Cui Masashi Yanagisawa Takeshi Sano Junji Kido Kumpei Tokuyama Metabolic responses to polychromatic LED and OLED light at night
description	Abstract Light exposure at night has various implications for human health, but little is known about its effects on energy metabolism during subsequent sleep. We investigated the effects of polychromatic white light using conventional light-emitting diodes (LED) and an alternative light source, organic light-emitting diodes (OLED), producing reduced spectral content in the short wavelength of blue light (455 nm). Ten male participants were exposed to either LED, OLED (1000 lx), or dim (< 10 lx) light for 4 h before sleep in a metabolic chamber. Following OLED exposure, energy expenditure and core body temperature during sleep were significantly decreased (p < 0.001). Fat oxidation during sleep was significantly reduced (p = 0.001) after the exposure to LED compared with OLED. Following exposure to OLED, fat oxidation positively correlated with the 6-sulfatoxymelatonin levels, suggesting that the role of melatonin in lipolysis differs depending on the light. These findings advance our knowledge regarding the role of light in energy metabolism during sleep and provide a potential alternative to mitigate the negative consequences of light exposure at night.
format	article
author	Asuka Ishihara Insung Park Yoko Suzuki Katsuhiko Yajima Huiyun Cui Masashi Yanagisawa Takeshi Sano Junji Kido Kumpei Tokuyama
author_facet	Asuka Ishihara Insung Park Yoko Suzuki Katsuhiko Yajima Huiyun Cui Masashi Yanagisawa Takeshi Sano Junji Kido Kumpei Tokuyama
author_sort	Asuka Ishihara
title	Metabolic responses to polychromatic LED and OLED light at night
title_short	Metabolic responses to polychromatic LED and OLED light at night
title_full	Metabolic responses to polychromatic LED and OLED light at night
title_fullStr	Metabolic responses to polychromatic LED and OLED light at night
title_full_unstemmed	Metabolic responses to polychromatic LED and OLED light at night
title_sort	metabolic responses to polychromatic led and oled light at night
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/a9feaefe97774250be702d70056a38df
work_keys_str_mv	AT asukaishihara metabolicresponsestopolychromaticledandoledlightatnight AT insungpark metabolicresponsestopolychromaticledandoledlightatnight AT yokosuzuki metabolicresponsestopolychromaticledandoledlightatnight AT katsuhikoyajima metabolicresponsestopolychromaticledandoledlightatnight AT huiyuncui metabolicresponsestopolychromaticledandoledlightatnight AT masashiyanagisawa metabolicresponsestopolychromaticledandoledlightatnight AT takeshisano metabolicresponsestopolychromaticledandoledlightatnight AT junjikido metabolicresponsestopolychromaticledandoledlightatnight AT kumpeitokuyama metabolicresponsestopolychromaticledandoledlightatnight
_version_	1718379186292260864

Metabolic responses to polychromatic LED and OLED light at night

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