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The Problem With Tunable White Lighting (And What Actually Works)
Tunable white is in every lighting specification. It adjusts colour temperature. It looks right. But it doesn’t deliver what the biology actually r...
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Human-Centric Lighting: What It Means and Why Your Office Needs It
Human-centric lighting is one of the fastest-growing terms in architectural specification. Here’s what it actually means, what it requires biologic...
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Whoop, Oura, Peloton: You’re Tracking Everything Except the Most Important Input
The wellness consumer has built an impressive health stack. Whoop for recovery, Oura for sleep, Peloton for fitness. But every one of these devices...
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Beat Jet Lag With Light: The Complete Science-Backed Guide
Jet lag is a circadian phase disorder. Melatonin helps you sleep. Light actually resets the clock. Here’s the complete guide to using light correct...
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Why Your Body Clock Is the Most Important Health Metric You’re Ignoring
You track steps, sleep stages, heart rate variability. But the one system that governs all of them — your circadian clock — is invisible on every w...
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Light Therapy vs Antidepressants for SAD: What the Research Actually Shows
Head-to-head clinical trials show light therapy matches antidepressants for SAD — and the combination beats both. Here's what the evidence actually...
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How SAD Affects 2 Million People in the UK — and What the Science Says Works
Seasonal Affective Disorder affects an estimated 2 million people in the UK every year. The science on what actually helps has been settled for dec...
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The Morning Light Window: Why the First 90 Minutes After Sunrise Matter Most
There's a 90-minute window after waking that has more impact on your energy, mood, and sleep quality than anything else you do all day. Here's the ...
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What Is Melanopsin and Why It Changes Everything About Light Therapy
Melanopsin is the photopigment that directly controls your biological clock. Understanding it explains why most light therapy products underperform...
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Why Your SAD Lamp Is Using the Wrong Science And What to Use Instead
Most SAD lamps use broad-spectrum white light at 10,000 lux. That is the 1980s approach. The science has moved on. Here is what the biology actuall...
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