You Noah Guy · Blog
Notes on Sound, Calm & NOAH
Honest, practical writing about sound, relaxation, and the AI companion we're building — the real evidence, the real myths, and what actually helps. No fake stats, no miracle claims, just what we've learned and what's genuinely worth your time.
Solfeggio Frequencies Chart: All 9 Tones, Explained
The complete Solfeggio frequencies chart — 174 to 963 Hz — where the numbers actually came from, and what's been studied versus claimed.
Chakra Frequencies Explained: Chart and the Real Evidence
Chakra frequency charts don't even agree with each other — the honest history, the conflicting numbers, and what research really shows.
Brown Noise for Focus and ADHD: What Research Says
Brown noise went viral for ADHD focus. Here's what the actual 2024 research found — including what it hasn't tested yet.
Music and Sound for Studying: What Actually Helps Focus
Binaural beats, brown noise, lo-fi, silence — an honest, source-by-source breakdown of what actually helps concentration.
The Vagus Nerve and Sound: Can Humming Calm You?
Humming and chanting sit physically close to your vagus nerve — the real research on vagal tone and why it feels calming.
NOAH vs. Calm vs. Headspace: An Honest Comparison
How NOAH's free AI companion actually compares to Calm and Headspace — including where NOAH isn't the right fit yet.
Is AI Meditation Safe? What It Can and Can't Do
An honest look at what an AI wellness companion can and can't do — and shouldn't claim.
Healing Frequencies, Explained Honestly
The 528 Hz “DNA repair” claim, the real history of solfeggio tones, and what actually helps you relax.
432 Hz vs 440 Hz: Does the Tuning Actually Matter?
An honest look at the 432 Hz vs 440 Hz debate — what's folklore, what's physics, and why people still feel a difference.
Binaural Beats for Relaxation: What They Really Do
How two tones in two ears create a third — and an honest, practical guide to using binaural beats for relaxation.
How to Do a Sound Bath at Home (No Gear Required)
A step-by-step DIY sound bath you can do tonight — no singing bowls, no studio, just 15 quiet minutes.
Frequencies for Sleep: An Honest Wind-Down Guide
White noise vs pink vs brown, delta waves, and a realistic sound-based wind-down routine for actual sleep.
Calm Anxiety Fast: Breath and Sound Techniques That Help
Four fast breathing and sound techniques for in-the-moment tension, and an honest line between self-soothing and treatment.
AI-Guided Meditation: What It Is and How NOAH Works
How AI-guided meditation differs from a recorded meditation app, and an honest look at how NOAH builds a session around you.
Meet NOAH: The Story Behind Your AI Wellness Companion
Why we built NOAH, what it honestly is and isn't, and what a first session actually looks like.
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