Association between temperature rise from climate normal and sleep quality
Abstract While there are numerous studies on the association between climate change and poor sleep quality, there are few studies on large population with a validated outcome measure that can portray a various aspects of poor sleep quality. A total of 211,159 participants from Korean Community Healt...
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Nature Portfolio
2025-08-01
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| Series: | Scientific Reports |
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| Online Access: | https://doi.org/10.1038/s41598-025-15315-y |
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| author | Horim A. Hwang Ayoung Kim Jiwoo Park Whanhee Lee Hyun-Joo Bae Sanghyuk Bae |
| author_facet | Horim A. Hwang Ayoung Kim Jiwoo Park Whanhee Lee Hyun-Joo Bae Sanghyuk Bae |
| author_sort | Horim A. Hwang |
| collection | DOAJ |
| description | Abstract While there are numerous studies on the association between climate change and poor sleep quality, there are few studies on large population with a validated outcome measure that can portray a various aspects of poor sleep quality. A total of 211,159 participants from Korean Community Health survey 2018 were included to assess the impact of temperature rise on sleep quality. The primary independent variables are temperature average and temperature difference. Temperature average is yearly average temperature of each district, while temperature difference is the difference between yearly average temperature and climate normal derived from 1961 to 1990. The main outcome is overall sleep quality and sleep components measured by the Pittsburgh sleep quality index. Of the participants, 120,166 (81.48%) were dwelling in urban districts. Urban participants were more likely to report poor sleep quality per 1 °C increase in temperature difference (aOR 1.16 95% CI 1.05–1.29), while 1 °C increase in average temperature was not associated with poorer overall sleep quality. The temperature difference was also associated with shorter sleep duration, sleep fragmentation, bad dreams, too cold, cough or snore, and pain during sleep time. The increase in temperature compared to climate normal was associated with higher prevalence of poor sleep quality. More research on the climate change’s long-term impact on sleep quality is needed. |
| format | Article |
| id | doaj-art-8317f95e6c414f92b5a8166bfdd89797 |
| institution | Kabale University |
| issn | 2045-2322 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj-art-8317f95e6c414f92b5a8166bfdd897972025-08-20T03:42:22ZengNature PortfolioScientific Reports2045-23222025-08-011511910.1038/s41598-025-15315-yAssociation between temperature rise from climate normal and sleep qualityHorim A. Hwang0Ayoung Kim1Jiwoo Park2Whanhee Lee3Hyun-Joo Bae4Sanghyuk Bae5Department of Preventive Medicine, College of Medicine, The Catholic University of KoreaDepartment of Public Health Sciences, Graduate School of Public Health, Seoul National UniversityDepartment of Information Convergence Engineering, College of Information and Biomedical Engineering, Pusan UniversitySchool of Biomedical Convergence Engineering, College of Information and Biomedical Engineering, Pusan UniversityDivision for Environmental Health, Korea Environment InstituteDepartment of Preventive Medicine, College of Medicine, The Catholic University of KoreaAbstract While there are numerous studies on the association between climate change and poor sleep quality, there are few studies on large population with a validated outcome measure that can portray a various aspects of poor sleep quality. A total of 211,159 participants from Korean Community Health survey 2018 were included to assess the impact of temperature rise on sleep quality. The primary independent variables are temperature average and temperature difference. Temperature average is yearly average temperature of each district, while temperature difference is the difference between yearly average temperature and climate normal derived from 1961 to 1990. The main outcome is overall sleep quality and sleep components measured by the Pittsburgh sleep quality index. Of the participants, 120,166 (81.48%) were dwelling in urban districts. Urban participants were more likely to report poor sleep quality per 1 °C increase in temperature difference (aOR 1.16 95% CI 1.05–1.29), while 1 °C increase in average temperature was not associated with poorer overall sleep quality. The temperature difference was also associated with shorter sleep duration, sleep fragmentation, bad dreams, too cold, cough or snore, and pain during sleep time. The increase in temperature compared to climate normal was associated with higher prevalence of poor sleep quality. More research on the climate change’s long-term impact on sleep quality is needed.https://doi.org/10.1038/s41598-025-15315-yClimate changeTemperatureSleep qualityCommunity survey |
| spellingShingle | Horim A. Hwang Ayoung Kim Jiwoo Park Whanhee Lee Hyun-Joo Bae Sanghyuk Bae Association between temperature rise from climate normal and sleep quality Scientific Reports Climate change Temperature Sleep quality Community survey |
| title | Association between temperature rise from climate normal and sleep quality |
| title_full | Association between temperature rise from climate normal and sleep quality |
| title_fullStr | Association between temperature rise from climate normal and sleep quality |
| title_full_unstemmed | Association between temperature rise from climate normal and sleep quality |
| title_short | Association between temperature rise from climate normal and sleep quality |
| title_sort | association between temperature rise from climate normal and sleep quality |
| topic | Climate change Temperature Sleep quality Community survey |
| url | https://doi.org/10.1038/s41598-025-15315-y |
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