2013
DOI: 10.3109/07420528.2013.840647
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Effect of exposure to evening light on sleep initiation in the elderly: A longitudinal analysis for repeated measurements in home settings

Abstract: Epidemiologic data have demonstrated associations of sleep-onset insomnia with a variety of diseases, including depression, dementia, diabetes and cardiovascular diseases. Sleep initiation is controlled by the suprachiasmatic nucleus of the hypothalamus and endogenous melatonin, both of which are influenced by environmental light. Exposure to evening light is hypothesized to cause circadian phase delay and melatonin suppression before bedtime, resulting in circadian misalignment and sleep-onset insomnia; howev… Show more

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Cited by 58 publications
(53 citation statements)
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“…This advantage enabled us to analysis the associations between LAN intensity and outcomes for actigraphic measurements, although our previous study was limited to report the association between LAN and SOL (Obayashi et al, 2014). In addition to its crosssectional design, the present study has three limitations.…”
Section: Discussionmentioning
confidence: 71%
“…This advantage enabled us to analysis the associations between LAN intensity and outcomes for actigraphic measurements, although our previous study was limited to report the association between LAN and SOL (Obayashi et al, 2014). In addition to its crosssectional design, the present study has three limitations.…”
Section: Discussionmentioning
confidence: 71%
“…The production of melatonin is the best marker for circadian timing. Suppression of endogenous melatonin production caused by nighttime exposure to bright light, and/or desynchrony of endogenous melatonin production with an individual's rest-work cycle, may lead to mild/moderate insomnia [2]. There is also evidence to indicate that the quantity and duration of melatonin production are greater during the winter months at high latitudes [3][4][5][6], and that increased duration of melatonin production contributes to fatigue and increased negative affect [7].…”
Section: Introductionmentioning
confidence: 99%
“…Public space lighting (PSL), if adequately designed, promotes the feeling of safety (FoS), increases comfort, defines spaces, and forms neighborhood identities [1]. However, if excessive or misdirected, PSL leads to energy waste, increases greenhouse gas emissions [2,3], and poses non-negligible threats to human health [4][5][6][7] and natural ecosystems [8][9][10]. The relation between urban residents and their physical environment is a major field of study in environmental psychology [11,12].…”
Section: Introductionmentioning
confidence: 99%