Night noise

Generated live, so it never loops. Tune it deep enough to swallow the traffic rumble.

Press play to see the spectrum

Low frequencies on the left. A curve sloping down to the right means a deeper sound.

Noise color

WhiteDeeper than brown

Depth

DeeperBrighter

Water layer

Water level

Water hiss

Low whoosh onlyFull rush

Noise level

Volume

Sleep timerOff

Keep screen on while playing

The timer fades the sound out over its last two minutes.

On a phone, leave this page open with the screen on and plugged in. Browsers often pause audio when the screen locks. On iPhone, also switch off silent mode.