Sleepy Noise
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White noise that plays all night. No ads, ever.

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Study and focus

White, brown and pink noise for studying and focus

Roommates, a coffee shop, a TV through the wall. A steady sound underneath makes every interruption smaller, and nothing here will break in with an ad.

  • No ads to break your focus
  • No loop to notice
  • Timer for focus sessions
Tap to playBrown NoiseDeep and low

Plays until you stop it. Phone browsers usually pause when the screen locks; the app doesn't. About brown noise

Why steady noise helps you focus

Most distraction isn't loudness, it's change: a voice starting up, a door, a phone buzzing on the table. A steady background sound raises the floor, so each of those changes is a smaller jump and easier to ignore. It's the same masking that helps people sleep, used for the daytime.

Research on noise and concentration is mixed and depends on the person and the task, so we won't promise you'll study better. Some people do measurably better with noise and some do worse, especially on reading-heavy work. What we can say is that a lot of people prefer a steady sound to a noisy room, and it's easy to find out which kind of person you are.

Brown noise for studying and focus

Brown noise is the most popular focus sound for a reason: it's deep and soft, closer to a distant waterfall than a hiss, so it fades into the background for hours. It's especially good at covering low sounds like traffic, a dishwasher or a neighbor's music. If you've only tried white noise and found it tiring, start here.

White noise for concentration

White noise has the most energy in the range where speech lives, so it's the strongest at covering voices: the café table next to you, a roommate's call, an open-plan office. The trade-off is that it sounds bright, and some people find it fatiguing after an hour or two. Keep it lower than you think you need.

Pink noise for studying

Pink noise sits between the two: fuller than white, brighter than brown, a lot like steady rain. It covers voices better than brown noise without white noise's hiss, which makes it a good all-day choice. Our noise colors guide compares all three.

Noise for reading

Reading is the task where noise is most likely to get in the way, because following text and ignoring sound compete for the same attention. If you read with noise, go softer and smoother: brown noise, gentle rain or a crackling fire at a low volume. Avoid anything with voices or lyrics, which interfere with reading far more than noise does.

Noise for focus and ADHD

Brown noise has a big following among people with ADHD. The research so far is on white noise, which gave a small benefit on lab attention tasks for people with attention problems and slightly hurt people without them; brown noise hasn't been studied yet. We walk through the evidence in brown noise for ADHD: what the research says. Noise isn't a treatment, but it's easy to try.

How to use it: a focus session

Pick one sound and set a timer for a focus block, 30 or 60 minutes; the sound fades out when it's time for a break, and that fade becomes your cue. Keep the volume low: you want to cover the room, not drown out your own thoughts, and loud sound in headphones for hours isn't good for your ears. Try it for a few sessions on real work before deciding.

Working at a computer? The free Sleepy Noise Chrome extension keeps your sound going in any tab with a minutes-left badge. In the phone app you can mix brown noise under rain and save it as your study sound. Working from an office instead? See white noise for the office and work.

Frequently asked questions

Is white noise or brown noise better for studying?

Many people prefer brown noise because it's softer and easier to listen to for hours. White noise masks voices better. Try each for a study session.

Does white noise help you concentrate?

It helps many people by covering distracting sounds, but research is mixed and it varies by person and task. If it helps you, use it.

What is the best noise for focus?

Brown noise is the most popular for long focus sessions, pink noise is a good middle ground, and white noise is strongest against voices. The best one is the one you stop noticing.

Is it okay to listen to white noise while reading?

Some people read fine with soft noise; others find it distracting. Keep it low and smooth, like brown noise or rain, and avoid anything with voices.

Can I listen with headphones?

Yes. Keep the volume low, just enough to cover the room, especially for long sessions.

Sleepy Noise for iPhone and Android

Take it to bed with you

The browser player is good for trying sounds. For a whole night with the screen off, the app keeps playing through calls and alarms, starts from your lock screen in one tap, and never shows an ad.

  • Free core sounds, no ads, ever
  • Plays all night with the screen off
  • Lifetime is $9.99 once, not a subscription
Coming soon toApp StoreComing soon toGoogle Play
Sleepy Noise home screen playing Brown Noise, with an All night timer and favorites