Which Sound to Pick
- To fall asleep: rain, ocean waves or brown noise, with the tone turned down and a 60-minute timer.
- To cover a noisy room: white noise or a fan. Steady sound hides doors, voices and traffic best.
- To focus: brown noise or pink noise at low volume.
- For something to listen to: a thunderstorm, where thunder arrives at random and never repeats.
The Sounds at a Glance
| Sound | What it sounds like | Good for |
|---|---|---|
| Rain | Rain on a window, a tent, a tin roof or a car | Sleep, reading, a busy street outside |
| Thunderstorm | Rain and wind, with thunder at random | Something to listen to |
| Ocean | Waves on sand, rocks and pebbles | Sleep, a beach at your desk |
| White noise | A bright, even hiss | Covering voices and doors |
| Pink noise | Softer than white, like steady rain | Sleep, reading |
| Brown noise | A deep, low rumble | Sleep, work |
| Green noise | The middle of the range, no hiss | Shared rooms and offices |
| Fan | A box fan or an oscillating fan | Sleep, travel |
| White noise generator | Your own mix of white, pink and brown | Getting the sound just right |
How the Players Work
Recorded sounds come from public domain (CC0) field recordings, cut into loops that join without a seam. Each sound page names who recorded it and where. Noise and fan sounds are made live on your device, so they never loop and use almost no data. On iPhone and on computers, the sound keeps playing with the screen off.
Sounds for Work and Travel
Every player starts silent and only plays when you press play. On a computer, Esc pauses the sound and swaps the page for a plain spreadsheet. On a bus or a train, use headphones and keep the volume low; a little steady sound goes a long way. Recorded sounds download once per visit, about 1 to 2 MB each, and noise uses almost no data at all.
Last updated October 2026