Afternoon to early evening bright light exposure reduces later melatonin production in adolescents

Abstract Whether light exposure during the day reduces non-visual light effects later in the evening has not been studied in adolescents. We investigate whether afternoon-early evening (AEE) light interventions (130 lx, 2500 lx, 4.5 h, compared to 6.5 lx illuminance) would increase melatonin levels...

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Bibliographic Details
Main Authors: Rafael Lazar, Fatemeh Fazlali, Marine Dourte, Christian Epple, Oliver Stefani, Manuel Spitschan, Christian Cajochen
Format: Article
Language:English
Published: Nature Portfolio 2025-06-01
Series:npj Biological Timing and Sleep
Online Access:https://doi.org/10.1038/s44323-025-00040-6
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