Optimize Your Sleep & Energy—Naturally! ☀️

We personally test and review the best light and sleep products, so you don’t waste time (or money) on stuff that doesn’t work.

Get Your Free Sleep Guide Video Reviews
That’s us! ⤴

Most Popular Articles:

  • A graphic with the text Best Full Spectrum Light Bulbs on a blue background, showing four different brands of light bulbs and their packaging, with white arrows pointing to the products.

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

    We tested CRI, R9, and flicker. See why Sunsy Shine beats standard LEDs. Discover the best natural light bulbs for your home and health.

    Read More
  • Illustration of six different SAD lamps arranged around the text Best SAD Lamps on an orange background. The lamps vary in shape and style, including panels, desk lamps, and a circular lamp.

    Best SAD Lamps of 2026: The Scientific List (Lab Tested)

    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.

    Read More
  • Illustration of a computer monitor displaying the text Best Computer Blue Blockers with an image of black eyeglasses below the text, on a blue and pink background.

    5 Best Blue Light Glasses Review: Lab Tested (2026)

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

    Read More
  • A variety of sunrise alarm clocks are lit up and arranged on a bed. Text above them says “We tested them all!” with three white arrows pointing down toward the clocks.

    Best Sunrise Alarm Clocks: Lab Tested & Ranked (2026)

    We tested the top sunrise alarms for lux, spectrum, and flicker. See which clocks actually mimic the sun to wake you up naturally.

    Read More
  • Six pairs of light therapy glasses for Seasonal Affective Disorder (SAD) are arranged around glowing text that reads Best SAD Glasses on a gray background. The glasses feature various modern designs and colors.

    Best Light Therapy Glasses Review: Lab Tested (2026)

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

    Read More
  • Four pairs of blue light blocking glasses with orange and red lenses surround the words Best Blue Blocking Glasses on a light background.

    The 4 Best Blue Light Blocking Glasses for Sleep (Lab Tested)

    We tested 120+ pairs of blue blockers. See our spectral data for TrueDark, Infield, and BlockBlueLight to find the best glasses for sleep.

    Read More

Download the Circadian Blueprint

Transform your sleep, energy, mood, and well-being with these 20 must-follow strategies ☀️

A Comprehensive Guide

An interactive table of contents you can explore at your own pace.

Recommended Products

Recommended products and tools make it easy to get started.

Actionable Information

Numerous action sections take away the guesswork.

Explore Our Databases:

Find the best blue blockers, full-spectrum light bulbs, smart lights, and SAD lamps with our extensive databases!

light bulb database button
Light Therapy Database Button
blue blocker database button
smart light database button

Latest Articles:

  • A bedside table displays an EMAY SleepO2 pulse oximeter device, its box, and a sensor. Text on the image reads: EMAY SleepO2 Accuracy Review and Hidden Gem? with a cozy, blurred bedroom in the background.

    EMAY SleepO2 (Accuracy Tested): Can You Trust This Data Overnight?

    Suspect sleep apnea? We reviewed the EMAY SleepO2’s ability to track oxygen drops and desaturations. Discover why this “hidden gem” scored 96.5/100 for accuracy.

    Read More
  • A cozy bed with tan pillows and a wooden headboard under a glowing horizontal light, with the text Smart Light Sunrise: The Ultimate Guide overlaid.

    How to Set Up a Smart Light Sunrise Alarm: The Ultimate Guide

    Can smart lights replace a sunrise alarm clock? We tested Philips Hue, LIFX, and IKEA to find the best wake-up setup for your bedroom.

    Read More
  • A glowing white LED light bulb labeled TUO is mounted on a light wood block against a pastel purple background.

    Tuo 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.

    Read More
  • A blue background with the words Sky Portal at the top and Mini with an arrow pointing to a white, rectangular object in the center.

    Chroma 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.

    Read More
  • An orange-tinted light bulb labeled Bedtime Bulb v2 with the same text displayed in bold above the bulb, all against a dark background.

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

    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.

    Read More
  • Several bright light therapy lamps of different shapes, including rectangles, squares, and triangles, are lit up on a desk. The word “Tested!” appears above them, with a leafy plant in the background.

    Northern Light Technologies: Durable but Dated? (Review)

    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.

    Read More
  • A pair of sunglasses with orange-tinted lenses floats in midair outdoors with sunlight shining through. Lush greenery and blurred flowers are in the background. White text reads “Healthier?” with an arrow pointing to the glasses.

    VivaRays Review: Lab-Tested Blue Blocking & UV Lenses

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

    Read More
  • Two NIRA LED light bulbs and their boxes are displayed on a wooden surface with the text Testing NIRA Bulbs in large white letters at the bottom of the image.

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

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

    Read More
  • A man with a beard wears a large, dark gray sleep mask covering his eyes. Green leaves are visible in the background. Text at the bottom reads, The Lumos Sleep Mask.

    Lumos Sleep Mask Review: Best for Jet Lag? (Lab Tested)

    Shift worker or frequent flyer? The Lumos mask claims to hack your sleep schedule. Our review tests the science, comfort, and real-world results.

    Read More