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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Natural Light Exposure, Sleep and Depression among Day Workers and Shiftworkers at Arctic and Equatorial Latitudes

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Author(s):
Marqueze, Elaine Cristina [1, 2, 3] ; Vasconcelos, Suleima [1, 4] ; Garefelt, Johanna [2] ; Skene, Debra J. [5] ; Moreno, Claudia Roberta [1, 2] ; Lowden, Arne [2]
Total Authors: 6
Affiliation:
[1] Univ Sao Paulo, Sch Publ Hlth, Dept Environm Hlth, BR-09500900 Sao Paulo - Brazil
[2] Stockholm Univ, Stress Res Inst, S-10691 Stockholm - Sweden
[3] Univ Catolica Santos, UNISANTOS, Publ Hlth Grad Program, Epidemiol, Sao Paulo - Brazil
[4] Univ Fed Acre, UFAC, Dept Hlth Sci, Rio Branco, Acre - Brazil
[5] Univ Surrey, Fac Hlth & Med Sci, Guildford, Surrey - England
Total Affiliations: 5
Document type: Journal article
Source: PLoS One; v. 10, n. 4 APR 15 2015.
Web of Science Citations: 13
Abstract

Objectives This study aimed to investigate the relationship between individual natural light exposure, sleep need, and depression at two latitudes, one extreme with a few hours of light per day during winter, and the other with equal hours of light and darkness throughout the year. Methods This cross-sectional study included a sample of Brazilian workers (Equatorial, n = 488 workers) and a Swedish sample (Arctic, n = 1,273). Results The reported mean total natural light exposure per 4-week cycle differed significantly between the Equatorial and Arctic regions. However, shiftworkers from both sites reported similar hours of natural light exposure. Short light exposure was a predictor for insufficient sleep. Conclusion Reduced exposure to natural light appears to increase the perception of obtaining insufficient sleep. Arctic workers were more prone to develop depression than Equatorial workers. (AU)

FAPESP's process: 14/01514-0 - INFLUENCE OF DAYLIGHT EXPOSURE ON WORKERS HEALTH AND SLEEP AT NORTHERN AND EQUATORIAL LATITUDES.
Grantee:Claudia Roberta de Castro Moreno
Support Opportunities: Scholarships abroad - Research
FAPESP's process: 11/19563-0 - The work temporal organization and its effects on health and wellbeing of factory workers and rubber tappers from an Amazonian extractive reserve
Grantee:Claudia Roberta de Castro Moreno
Support Opportunities: Regular Research Grants