Light Bulbs

Full-spectrum and circadian-friendly bulbs I’ve tested for color quality, flicker, and real output. Which ones deliver true color and clean light, and which overclaim.

Light Bulbs

Bedtime Bulb Review: The Best Low Blue Light for Sleep?

August 22, 2025

Lab-tested infrared light bulbs advertisement showing two pendant bulbs glowing warm white with bold marketing text
Light Bulbs

NIRA Lights Review: Near-Infrared or Just Marketing Lies?

April 6, 2025

Lab-tested full spectrum LED bulbs hanging with text: Most Full Spectrum Is Just Marketing
Light Bulbs

The 5 Best Natural Full Spectrum Light Bulbs: Lab Tested (2026)

March 13, 2023

Illustration of a cozy attic bedroom with string lights, a bed, nightstand, and shelves. Large window shows a starry night sky. Text reads, Best Lights for Sleeping.
Light Bulbs

Best Color Light for Sleep: We Tested Down the Top Options

March 3, 2023