📖 Learning Hub

The science behind the gear — circadian rhythm, light and sleep, and how to actually use this stuff. No product rankings here.

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Guide to mouth taping for better sleep: cartoon purple face with a bandage over the mouth promoting nasal breathing
Circadian Rhythm

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

January 16, 2026

DIY high CRI LED panel build components: aluminum tray, COB LED strip reel, power supply, and inline dimmer on gradient backg
Full-Spectrum Lighting

How to Build a Full-Spectrum Light Therapy Lamp (DIY)

January 1, 2024

Clear vs amber-tinted blue light blocking glasses comparison illustrating how lens color affects light filtering science
Blue Light

Do Blue Light Blocking Glasses Work? We Examined the Evidence

October 17, 2023

Guide graphic showing how to swallow a pill: say N and swallow. Illustrated profile with pill graphic on purple background.
Breathing

How to Fix Tongue Posture: The Ultimate Mewing Guide

May 16, 2023

Sleep Position

Best Sleep Positions Guide: Back vs. Side vs. Stomach

May 14, 2023

Smartphone with red screen beside text reading Night Shift Isn't Enough, highlighting blue light science limitations
Blue Light

How to Automate Red Light Mode on iPhone (Triple-Click Trick)

May 3, 2023

Light therapy lamp illustration with text stating most lamps miss the dose, highlighting the science of proper light therapy
Sleep Environment

How to Blackout Your Bedroom: The Ultimate Guide

April 29, 2023

Blue light rays blocked by orange-tinted glasses with text: That blue pen isn't even blue — science of blue light filtering
Blue Light

3 Ways to Test Blue Light Glasses (The “Pen Test” is Fake)

April 22, 2023

Light therapy lamp illustration with text stating most lamps miss the dose, highlighting the science of proper light therapy
Circadian Rhythm

Do Sunrise Alarm Clocks Work? What the Science (and My Testing) Says

April 8, 2023

Guide graphic showing person lying on back in bed, titled Trick Your Brain Onto Your Back for better sleep positioning
Sleep Position

How to Sleep on Your Back: 8 Strategies to Train Yourself

February 16, 2023