Guides

Learn how sound works for you

Start with a clear explanation, follow a practical setup, or compare sounds side by side.

A useful first read

Start here

Three foundations for choosing a sound, hearing the differences, and building a simple mix.

  1. Explanation

    Noise Colors Explained: White, Pink, Brown and More

    Learn how white, pink, brown, blue, violet, grey and green noise differ in frequency balance, sound character, masking ability and common uses at home.

  2. Sound comparison

    Brown vs White vs Pink Noise: The Three-Way Comparison

    Where pink noise falls between brown and white. Compare all three by slope, sound, masking and evidence for sleep or focus, with a player for each one.

  3. Practical guide

    How to Create a Sleep Soundscape: 5 Simple Steps

    Create a sleep soundscape in five steps: identify the noise problem, choose one steady base, add a quiet layer, balance volume, and test a timer for bedtime.

Set it up

Practical guides

Step-by-step ways to use ambient sound, with volume, timing, and limits kept in view.

  1. Practical guide

    4 Breathing Exercises for Sleep: Steps, Safety & Evidence

    Try four breathing exercises before sleep, including 4-7-8 and cyclic sighing, with clear steps, safer modifications, and an honest evidence review at bedtime.

  2. Practical guide

    How to Fall Asleep with Ambient Sounds: A Practical Setup

    Use ambient sounds at bedtime with a simple process for choosing a track, setting volume and timers, avoiding common mistakes, and tracking results over time.

  3. Practical guide

    How to sleep with a snoring partner: the setting that covers a snore

    Masking a snore needs a different setting from a normal sleep sound: continuous, low-weighted, all night, held just above the snore floor. How to set it, and where it stops.

  4. Practical guide

    How to sleep with tinnitus: a bedtime routine you can test

    A practical bedtime routine for people who use a background sound with tinnitus. Volume, timer settings, layering and the point where a doctor matters more than an app.

  5. Practical guide

    How to Use Brown Noise for Sleep: Volume, Timer & Setup

    Set up brown noise for sleep in six steps: choose a speaker, start quietly, position it safely, set a timer, test rain layers, and review results over time.

Understand what you hear

Sound explained

Hear how noise colors differ and read what studies found about sound and sleep.

  1. Sound comparison

    6 Best Sounds for Deep Sleep: A Practical Comparison

    Compare brown noise, rain, ocean waves, pink noise, fan sounds and forest ambience for nighttime masking, plus safe volume and setup advice for sleep.

  2. Sound comparison

    7 Best Sounds for Focus and Concentration (2026)

    Compare brown, pink and white noise, nature sounds, coffee-shop ambience, lo-fi and binaural beats, with a focus sound for every task.

  3. Sound comparison

    Best Sounds for Reading

    Brown noise, pink noise and steady rain, matched to novels, textbooks, screens and reading in bed. Press play in the browser, no download, no account.

  4. Sound comparison

    Best Sounds for Sleep

    Pink noise, brown noise and steady rain compared for sleep, plus which noise color suits your room, how loud to set it, and when to use a timer.

  5. Sound comparison

    Best Sounds for Studying — Play Free, No Signup

    Brown, pink and white noise, rain and lo-fi, matched to reading, essays, problem sets and flashcards. Press play in the browser, no download, no account.

  6. Explanation

    Brown Noise for Sleep: What the Science Actually Says

    Learn how brown noise is made, what it can mask, why it may feel comfortable at night, and where evidence for sleep and focus remains limited today.

  7. Sound comparison

    Brown noise vs white noise: hear the difference

    Brown noise falls 6 dB per octave, white noise stays flat. Compare the measured spectra, see what each one covers, and play both in the browser without switching tabs.

  8. Explanation

    Does Brown Noise Help ADHD? What to Know

    Brown noise itself hasn't been studied for ADHD, but similar sounds helped some people focus in small studies. What's proven, and how to try it safely.

  9. Explanation

    Fan Sounds for Sleep: What They Mask, and How to Set the Level

    Fan sounds give sleep a familiar, steady background. Compare a real fan with a recording, set a sane level, and see when brown or pink noise fits better.

  10. Explanation

    How Noise Affects Sleep Quality (and When Sleep Sounds Help)

    Learn how noise can fragment sleep, when steady background sound may help with masking, and why pink-noise sleep studies need careful interpretation at night.

  11. Explanation

    Huberman Sleep Routine: The Toolkit, Ranked by Evidence

    See Andrew Huberman's sleep routine in a practical timeline, with morning light, caffeine, temperature, NSDR, supplements, and evidence limits in context.

  12. Explanation

    My dog is scared of fireworks: what to do tonight

    Your dog panics at fireworks. What to do this afternoon, during the noise, after it ends, and when fear needs more than a quiet room.

  13. Explanation

    Nature Sounds Benefits: What the Research Shows

    Nature sounds may reduce stress and annoyance and support recovery after demanding work. Learn what current evidence shows and which sounds to try first.

  14. Explanation

    NSDR: What Non-Sleep Deep Rest Is and How to Try It

    NSDR (non-sleep deep rest) explained: what it is, a 10-minute session to try tonight, how it differs from yoga nidra and naps, and what research supports.

  15. Explanation

    Ocean Sounds for Sleep: What Waves Can Actually Do

    Ocean sounds for sleep can cover small room noises, but surf rises and falls. How to pick a recording, set the volume, and steady the gaps between waves.

  16. Explanation

    Rain Sounds for Sleeping: What the Evidence Shows

    Rain sounds may make a noisy bedroom easier to sleep through, though the evidence stays thin. How to pick a recording, set a safe volume and know the limits.

  17. Explanation

    Sound masking for tinnitus: what it is and what it is not

    Sound masking means playing a quiet background sound so the ringing has something to sit against. What people do, how to do it comfortably, and what the evidence stops short of.

  18. Explanation

    What is green noise? How it sounds next to brown and white

    Green noise sits in the middle of the audible range. Hear it against brown and white noise, see the measured band split, and read why no standards body defines it.

  19. Explanation

    What is red noise? Red noise vs brown noise, explained

    Red noise is another name for brown noise: its power falls about 6 dB per octave. Where both names come from, what scientists mean by red noise, and how it sounds.

  20. Explanation

    White noise for babies: distance, volume and the timer

    What the measured decibel numbers say about where the speaker goes, what a fader position means in practice, and how white, pink and brown differ in a nursery.

  21. Explanation

    White Noise for Cats: Does It Actually Help?

    If visitors, fireworks or a new baby set your cat off, here's when white noise helps, which colour to use, and when a vet is the better call.

  22. Explanation

    White noise for dogs: what it masks, and what it can't fix

    Which noise colour covers which trigger, how loud to set it, where to put the speaker, and the point where a dog needs a vet rather than a louder speaker.

  23. Sound comparison

    White noise vs brown noise for tinnitus: how the two sound

    A descriptive comparison of white and brown noise for people who use a masking sound with tinnitus. Spectrum, comfort at low volume, and no efficacy claims.

  24. Explanation

    Why tinnitus is more noticeable at night

    Tinnitus is more noticeable at bedtime because the room is quieter and there is less to distract you. What two health authorities actually say, and what people do about the quiet.

  25. Explanation

    Why White Noise May Help You Sleep, and Its Limits

    White noise may mask sudden nighttime sounds, but sleep research is mixed. Learn who might benefit, how to set it up, and when to choose another sound.