Effects of red light on sleep and mood in healthy subjects and individuals with insomnia disorder

IntroductionThis study aimed to determine the influence of red light on objective sleep and the relationship between mood and sleep among individuals with insomnia disorder (ID). Method57 individuals with insomnia symptoms and 57 healthy participants were randomly divided into three groups (red- and...

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Bibliographic Details
Published in:Frontiers in psychiatry 2023-08, Vol.14, p.1200350-1200350
Main Authors: Pan, Rong, Zhang, Guimei, Deng, Fangyi, Lin, Weifeng, Pan, Jiyang
Format: Article
Language:English
Subjects:
alertness
insomnia disorder
polysomnography
positive and negative emotion
Psychiatry
red light
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Summary:IntroductionThis study aimed to determine the influence of red light on objective sleep and the relationship between mood and sleep among individuals with insomnia disorder (ID). Method57 individuals with insomnia symptoms and 57 healthy participants were randomly divided into three groups (red- and white-light groups, and the black control group), which received different light treatments for 1 h before bedtime. The emotions and subjective alertness of participants were evaluated using Positive and Negative Affect Schedule scales (PANAS) and Karolinska Sleepiness Scale (KSS), their sleeping data were recorded using polysomnography (PSG). ResultThe negative emotion scores were higher in the healthy subject-red light (HS-RL) group than in the HS-white light (WL) and HS-black control (BC) groups (p 
ISSN:1664-0640
1664-0640
DOI:10.3389/fpsyt.2023.1200350