Congshan Dai, Nuoyi Li, Ali Hassan Shah, Jack Chen, Susan Chen, Shu Yi, Yandan Lin
{"title":"The effect of daylight LED on daytime cortisol concentration","authors":"Congshan Dai, Nuoyi Li, Ali Hassan Shah, Jack Chen, Susan Chen, Shu Yi, Yandan Lin","doi":"10.1109/SSLChinaIFWS54608.2021.9675196","DOIUrl":null,"url":null,"abstract":"The lack of sunlight in modern people may have adverse effects on physical and mental health. As a possible way to supply daylight exposure, daylight LED has attracted people's attention for its continuous and complete spectrum. This study compared the effect of daylight LEDs and LEDs with high color rendering index on cortisol secretion, which reflecting human alertness and circadian rhythm. The mean cortisol concentration of daylight LEDs at both CCTs was higher than that of normal LEDs. However, there are no significant effects when analyzing with change value.","PeriodicalId":6816,"journal":{"name":"2021 18th China International Forum on Solid State Lighting & 2021 7th International Forum on Wide Bandgap Semiconductors (SSLChina: IFWS)","volume":"480 1","pages":"191-193"},"PeriodicalIF":0.0000,"publicationDate":"2021-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 18th China International Forum on Solid State Lighting & 2021 7th International Forum on Wide Bandgap Semiconductors (SSLChina: IFWS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SSLChinaIFWS54608.2021.9675196","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
The lack of sunlight in modern people may have adverse effects on physical and mental health. As a possible way to supply daylight exposure, daylight LED has attracted people's attention for its continuous and complete spectrum. This study compared the effect of daylight LEDs and LEDs with high color rendering index on cortisol secretion, which reflecting human alertness and circadian rhythm. The mean cortisol concentration of daylight LEDs at both CCTs was higher than that of normal LEDs. However, there are no significant effects when analyzing with change value.
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