Light pollution at night is getting worse. How can people maintain good sleep hygiene when brightness seeps in through the windows?
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How blue light affects your eyes, sleep, and health
Light pollution affects human health
Blue Light: What Is It, and How Does It Affect Our Eyes?
Blue Light & Your Eyes ~ How it can Affect Your Health - Hi-Bliss
Hypothetical impacts of exposure to artificial light at night. The
Light Pollution
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Sleeping with lights on can be harmful to your health
I Can't Sleep… Can you turn off the lights? - Science in the News