Improve Your Life with Light!

Does the Tuo bulb work? We tested the flicker and spectral output of this circadian light to see if it’s more effective than a traditional SAD lamp.

Is the Sky Portal Mini worth $250? We tested the flicker, spectral output, and battery life of this dual-mode SAD lamp to see if it’s the ultimate travel companion.

We tested the Bedtime Bulb v2 with a lab-grade spectrometer. See the exact blue light levels, flicker data, and why this hybrid bulb might save your sleep.

Looking for maximum lux? We tested NLT’s entire lineup. See which models hit 10,000 lux and how they compare to modern flicker-free alternatives.

Enhance your sleep and energy? We tested VivaRays’ blue light blocking and UV transmission. See how they compare to standard prescription glasses inside.

We tested NIRA A19 & BR30 bulbs. Our lab data exposes the truth about their “flicker-free” claims, spectrum, and lifespan. Read before you buy.

Why does this SAD lamp remove blue light? Our lab tests reveal the science behind the Sky Portal’s unique spectrum and evening amber mode.

Looking for a flicker-free SAD lamp? We tested 5 Beurer models. Discover why the TL95’s “SunLike” diodes make it the superior choice for sleep & energy.

We tested the SOLshine PhotoVites & bioBulb. See our spectral graphs, infrared output, and why this full-spectrum lamp outperforms standard SAD lights.

Can a SAD lamp heal with infrared? Our review of the BlockBlueLight Full Spectrum lamp reveals its unique “SunLike” spectrum and true circadian power.

We tested the Mitolux UV lamp. See our spectral analysis, vitamin D blood test results, and how it compares to the Sperti vitamin D sun lamp.

These wooden SAD lamps look great, but do they work? Our lab tests reveal the truth about their lux levels, remote issues, and flicker-free performance.

Is the Carex Elite worth the upgrade? Our lab tests reveal how its larger size, flicker-free light, and 12,000+ lux compare to the older Classic model.

We tested the new Retimer 3 glasses. See the spectral data, lux output, and why their unique green-turquoise light might be better than blue.

We analyzed the SkyView 2’s 24-hour cycle. See the spectral graphs, flicker data, and why it’s the most comfortable SAD lamp we’ve tested.

We tested the Lumie Halo, Vitamin L, and Mini. See our spectral data, lux output, and why these premium British lamps might be worth the cost.

Staring at screens all day? We tested 100+ blue light glasses. Discover the best clear and tinted lenses for blocking digital blue light.

A step-by-step guide to building the ultimate SAD lamp. We list every part you need for a high-CRI, 10,000 lux setup on a budget.

We tested 60+ light therapy lamps with a spectrometer. See which models actually hit 10,000 lux and which ones flicker. The results might surprise you.

We tested the Yuji Serenity’s 3 modes. See our spectral graphs, flicker analysis, and why this portable sleep lamp might be the ultimate nightstand light.

We tested 6 TheraLite lamps. See the lux output, spectral graphs, and why the Aura and Aura Qi are the only models we recommend.

We tested the Aurora LightPad Max, Mini, and NorthStar. See the 42,000 lux test results, flicker data, and why “bigger” might be better for your eyes.

We tested the Carex Classic and Sky. See the lux output, flicker analysis, and why the Sky model beats the Classic in our lab tests.

Confused by the HappyLight lineup? We compared the Luxe, Alba, Touch, & more. See our lab data on brightness and glare to find the right one.

FL-41 or Green Tint? We compared the top migraine glasses for color distortion and relief. See our lab results to find the best pair for you.

Dark winter commute? We reviewed the Luminette Drive. Discover how this car-safe light therapy device can wake you up before you reach work.

We tested AYO+, Luminette 3, & Re-Timer. See the spectral data, circadian light output, and why blue light glasses might beat bright white ones.

Are Propeaq glasses worth the hype? We compared them to AYO and Luminette. See why these “2-in-1” glasses fail to deliver effective light therapy.

Confused by the Circadian Optics lineup? We compared the Lampu, Luxy, and Lattis. See which one hits 10,000 lux and fits your desk setup.

Can light stop pain? We reviewed the Harvard & University of Arizona studies. See how 525nm green light acts as an opioid to reduce migraine frequency.