Notes on light, sleep and recovery.
Science-backed light tips and evening rituals, written to help you sleep a little better tonight.
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Clear Lenses vs Amber Lenses: What's the Real Difference for Sleep?
Walk into any store selling "blue light glasses" and you'll see two kinds: clear ones marketed for computer work, and amber or orange-tinted ones marketed for sleep. They get sold as the...
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The 380–550nm Problem: What Sleep Science Actually Says About Blue Light
Blue light is bad for sleep" gets thrown around so often it's stopped meaning anything specific. The actual science is more precise...
Why Your Blue Light Glasses Aren't Helping You Sleep (And What Actually Works)
You bought blue light glasses. You wear them every evening. And you're still lying awake at midnight, phone dimmed, wondering why nothing...