Understanding sleep noise

White noise, brown noise, and pink noise

Not all sleep sounds feel the same. White, brown, and pink noise each have a distinct character — and each tends to work better for different problems. Start with the comparison guide if you're not sure where to begin.

Compare all three

Not sure which sound to try? The comparison guide is the best starting point — it covers the differences in plain English and helps you choose.

April 1, 20267 min read
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White Noise vs Brown Noise vs Pink Noise: Which Is Best for Sleep?

A plain-English comparison of the three most popular sleep sounds, with a quick decision table to help you choose the right one.

Compare the sounds
Mar 297 min

How to Fall Asleep Faster with Sound Masking

A practical bedtime routine using sound to cover snoring, traffic, hallway noise, and the silence that makes every creak feel loud.

Read the routine

White noise

The broadest-spectrum masking sound — sharp and consistent. Best for mixed noise environments, light sleepers, and babies.

April 12, 20266 min read
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What Is White Noise and How Does It Work for Sleep?

A clear explanation of what white noise actually is, why it sounds the way it does, and when it tends to be the right choice over other sounds.

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Apr 125 min

White Noise Machine vs App

Whether a dedicated machine or a phone app is the better choice — and what the meaningful differences are.

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Mar 318 min

White Noise for Babies: Is It Safe?

Evidence-based advice on volume, placement, timers, and common mistakes parents make with nursery sound machines.

Read the parent guide

Brown noise

A deeper, warmer sound weighted toward low frequencies. Best for snoring, traffic rumble, and nights when a racing mind is the main problem.

April 2, 20267 min read
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What Is Brown Noise and Why Does It Help You Sleep?

Understand why brown noise sounds deeper than white noise, who tends to like it most, and how to use it at night without making the room feel loud.

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Apr 126 min

Brown Noise for Anxiety and Restless Nights

Why brown noise often feels calmer than other sounds when a racing mind is the bigger obstacle to sleep.

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Pink noise

A balanced option between white and brown — less sharp than white, less heavy than brown. Often the easiest sound to sleep through all night.

April 12, 20266 min read
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What Is Pink Noise and When Should You Try It?

A clear explanation of what makes pink noise different from white and brown, and who tends to find it most useful for a full night's sleep.

Read the guide
Apr 125 min

Pink Noise for Sleep: How to Use It Effectively

Volume, placement, and what to expect during the first few nights of using pink noise consistently.

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Try Echo Sleep — free white noise app

Switch between white, brown, and pink noise in the browser and find which one feels easiest to ignore.

Try all sounds in the browser player