Circadian Lamps
Lamps built to support your body clock with the right light at the right time. I measure the spectrum and the curve, not just raw lux.
Circadian LampsChroma Skylight Review: I Tested the Claims on a $2,400 Light
A $2,400 circadian floor lamp with bold claims: Rf 97, no cyan gap, and dedicated amber and red channels for evening. I put every one on my spectrometer and flicker meter.
Circadian LampsChroma Skylight vs the Brighter Lamp: I Put Both on My Meters
Two premium daylight floor lamps, opposite priorities. I put the Chroma Skylight and the Brighter Lamp on the same spectrometer and flicker meter — here's which one is right for you.
Circadian LampsThe Brighter Lamp Review: I Put the “World’s Brightest” Lamp on My Meters
The world's brightest floor lamp, on paper. I put it on my meters: 48,650 lux at two feet, effectively flicker-free at every setting, and one heat claim that didn't survive testing.
Circadian LampsTuo Circadian Smart Bulb Review: Better Than a SAD Lamp?
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.
Circadian LampsChroma Sky Portal Mini: Ultimate Portable Circadian Light?
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.
Circadian LampsChroma Sky Portal Review: The Best Monitor Light for SAD?
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.
Circadian LampsSkyView 2 Lamp Review: Beautiful But Is It Effective?
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.
Circadian LampsYuji Serenity Lamp Review: Lab Tested (Spectrum & Flicker)
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.Nothing here yet. See everything in Reviews.