Free Noise Downloads

Free, gap-free colored-noise files you can download and play offline — all night, on any device. Each one is generated by SleepByNoise (not a field recording) and delivered as a single seamless MP3. Pick a color and a length:

Brown Noise

Deep, warm, and rumbling — like a steady waterfall.

1 Hour≈ 58 MB
5 Hours≈ 288 MB
10 Hours≈ 576 MB
24 Hours≈ 1.4 GB
48 Hours≈ 2.8 GB

White Noise

Bright and full — equal energy at every frequency.

1 Hour≈ 58 MB
5 Hours≈ 288 MB
10 Hours≈ 576 MB
24 Hours≈ 1.4 GB
48 Hours≈ 2.8 GB

Pink Noise

Balanced and natural — softer than white.

1 Hour≈ 58 MB
5 Hours≈ 288 MB
10 Hours≈ 576 MB
24 Hours≈ 1.4 GB
48 Hours≈ 2.8 GB

Green Noise

The sound of nature — centered on the mid frequencies.

1 Hour≈ 58 MB
5 Hours≈ 288 MB
10 Hours≈ 576 MB
24 Hours≈ 1.4 GB
48 Hours≈ 2.8 GB

Prefer to stream? The free player runs every color live, with a tone control, gentle waves, and a sleep timer — nothing to download.