Light pollution disrupts sleep architecture and quality during sleep
Multiple studies demonstrate that light pollution and artificial light exposure at night negatively impact human circadian rhythms, sleep architecture, and overall sleep quality.
Papers 1, 5, and 8 provide direct evidence demonstrating that artificial light at night and evening light exposure disrupt circadian regulation, sleep continuity, and sleep architecture. The remaining papers are tangential, focusing on topics such as sleep spindles, wearables, or alcohol/DBS effects on sleep.
Christine Blume, Corrado Garbazza, Manuel Spitschan. Effects of light on human circadian rhythms, sleep and mood. 2019. https://doi.org/10.1007/s11818-019-00215-x
This review highlights how nocturnal light alters circadian rhythms and sleep continuity.
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Amit Green, Mairav Cohen‐Zion, Abraham Haim, Y. Dagan. Evening light exposure to computer screens disrupts human sleep, biological rhythms, and attention abilities. 2017. https://doi.org/10.1080/07420528.2017.1324878
This study demonstrates that evening light exposure significantly disrupts sleep continuity and architecture.
Mehdi Khalighi. Artificial Light at Night and Sleep Health Among Generation Z University Students. 2025. https://doi.org/10.31235/osf.io/etuc6_v1
This study finds that higher exposure to artificial light at night is associated with poorer sleep quality and adverse sleep outcomes.
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