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The Light Health Curriculum
Light is upstream of sleep, mood, hormones, and metabolism. This is the short course: two essays, two actions, one product. Run through it in a week and you'll never think about "good lighting" the same way.
3 content pieces · 2 interventions · 1 product
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- 01
- 02Extremely high priorityIntervention · Rank #01Path · step 1Light HealthSleep9.0
Morning sunlight
10–20 min outside, no sunglasses, within an hour of waking.
CostFreeTime10 minEnergyEffortlessImpactExtremely high - 0303
- 04Very importantIntervention · Rank #04Path · step 6Light HealthSleep4.2
Evening light dimming
Amber bulbs from sunset on.
Cost$12Time-EnergyEasyImpactVery high - 05Extremely high priority
Top ChoiceLight HealthThe single easiest upgrade for your sleep.
Most LED bulbs blast 480nm blue light, the exact wavelength that suppresses melatonin. This amber bulb eliminates it. Swap your bedroom and bathroom bulbs. Your body starts producing melatonin on schedule. No habit change required.
Cost$12TimeNoneEnergyEffortlessImpactHigh - 0606
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