The Sound Science Blog
Honest, research-backed guides on binaural beats, sleep frequencies, and noise science — no hype, no invented statistics.
Does Brown Noise Help ADHD? What the Research Shows
Brown noise is all over ADHD TikTok — but what does the science actually say? An honest look at the arousal theory, the real (mostly white-noise) studies, and where the hype outruns the evidence.
Read article →Pink vs Brown vs Green Noise: Which Is Best for Sleep?
The three most popular noise colors for sleep, compared honestly — how each sounds, how they differ, what the evidence says, and a simple decision guide to pick the right one for you.
Read article →Do Binaural Beats Actually Work? The Evidence, Reviewed
What the research really says — the 2019 meta-analysis, what Cleveland Clinic and the Sleep Foundation actually conclude, and where the evidence is strong, thin, or overhyped. Honest, no-spin.
Read article →Best Free Brain.fm Alternatives (2026): An Honest Comparison
Looking for a free Brain.fm alternative? An honest, no-hype comparison of BrainSync, myNoise, Noisli, Endel, BetterSleep and more — with real prices and where Brain.fm itself is actually worth paying for.
Read article →Endel vs Binaural Beats: What's the Difference?
Endel and binaural beats both promise focus, calm, and sleep — but they work completely differently. An honest comparison of adaptive soundscapes vs the two-tone binaural effect, including price and evidence.
Read article →Do Binaural Beats Need Headphones? Yes — Here's Why
The honest answer is yes — and the reason explains how binaural beats actually work. Here's the science, whether you need expensive headphones, and the speaker-friendly alternatives if you don't have any.
Read article →Brown Noise vs White Noise vs Pink Noise: Which Is Best for Sleep?
Not all noise is equal. Understand the spectral difference between white, pink, and brown noise — and which research suggests may help you sleep, focus, or unwind.
Read article →What Are Delta Waves? The Science of Deep-Sleep Frequencies
Delta waves are the slow, powerful brain oscillations that define your deepest sleep stages. Here is what the science actually says about them — and how sound may play a role.
Read article →How to Use Binaural Beats for Sleep: A Step-by-Step Guide
A practical guide to setting up binaural beats for better sleep — what frequency to choose, how long to listen, and what the research says about whether they actually work.
Read article →Solfeggio Frequencies: A Complete Guide (and an Honest Look at the Evidence)
The 9 Solfeggio tones explained — their claimed associations, the true modern origin of the system, and an honest assessment of what science does and does not support.
Read article →Binaural Beats for Anxiety: Do They Work & Best Frequencies
Alpha and theta binaural beats for anxiety relief — which frequencies to try, how to use them, and what the research (including its significant limitations) genuinely shows.
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