Data from: Natural light exposure, sleep and depression among day workers and shiftworkers at Arctic and Equatorial latitudes

Elaine Cristina Marqueze, Suleima Vasconcelos, Johanna Garefelt, Debra J. Skene, Claudia Roberta Moreno & Arne Lowden
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...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
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