Blog
Sleep science, noise research, and the story behind Veil.
Noise Colors
Green Noise for Sleep: What It Is and How It Sounds
What green noise sounds like, how it compares with white, pink and brown noise, and what the research can honestly say about using it for sleep.
Noise Colors
Grey Noise for Sleep: Gray Noise Explained
Why grey noise is shaped around human hearing, what makes it different from white noise, and who may prefer its more even sound.
Sleep Science
White Noise vs Pink Noise vs Brown Noise: Which Is Best for Sleep?
The real differences between noise colors, backed by research. Which one works depends on your brain, not a TikTok trend.
Sleep Sounds
Best Fan Noise for Sleeping (and Why It Works)
Why fan noise works for masking, five core fan types compared, and how Veil generates seven distinct fan sounds on your phone.
Focus & ADHD
Brown Noise for ADHD and Focus: What the Research Actually Says
Brown noise went viral for ADHD focus. Here's what the science says, what Reddit and TikTok get right (and wrong), and how to use it effectively.
Origin Story
Why I Built Veil: A Better White Noise App
I'm a light sleeper who tried Dohm, Lectrofan, and every white noise app. None were right. So I built one that generates sound in real time.