Sunday Light vs SAD Lamps: What’s the Difference?
An honest guide to how SAD lamps work, their limitations, and why we built Sunday Light as whole-room indoor sunlight instead.
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Insights from Sunday Light on daylight, health and performance.
Whitepaper: The Science of Indoor Sunlight
An overview of circadian health, bright light research and the engineering of indoor sunlight.
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Why We Built Indoor Sunlight
Not all light is equal: spectral quality, timing, intensity & what matters for health
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How Does Bright Light Therapy Work? Benefits for Mood, Sleep and Focus
Bright light therapy uses high-intensity light to support mood, sleep and circadian rhythm. Learn what the science shows, who it helps most, and how it...
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Why light is the most underrated driver of human health
Discover why light matters far beyond visibility, and how modern indoor life quietly disrupts energy, mood, and sleep.
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How to Use Bright Light to Improve Your Life
Our founder explores how light shapes circadian rhythm, mood and cognition, and sets out how to make more informed decisions about light exposure in everyday...
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