Sound Science SleepQuiz

Sound, science, and sleep

Some sounds do more
than fill the silence.

Sound Science Sleep explains the research behind rain, white noise, and ocean sound — then hands you the actual recordings, a quick quiz to find your match, and sleep stories to close out the day.

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Backed by research

Why certain sounds actually calm you down

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Rain and ocean waves follow a pink-noise pattern found throughout nature — a big part of why they sound instinctively calming.

Masking

Steady background sound covers sudden noises before they trigger the small arousal that pulls you back toward wakefulness.

Habituation

Sound with no meaningful pattern to parse lets your auditory cortex stop flagging it — which is why it fades into the background.

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Sound categories covered

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Research-backed articles

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Longest loop, no repeats you'll notice

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Full library

Rain

Heavy rain on a tin roof

Rain

Gentle rain in a tent

Rain

Distant rolling thunderstorm

From the blog

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The Science

Why the sound of rain calms the nervous system

Rain is what researchers call a natural pink noise source — and pink noise interacts with your brain differently than the silence or static you might expect.

6 min read

The Science

White noise vs. brown noise: what's the difference, and which helps you relax?

Not all 'noise' is created equal. Here's a plain-language breakdown of white, pink, and brown noise, and what the color actually describes.

5 min read

The Science

Binaural beats: what the evidence actually says

Binaural beats are popular for focus and relaxation, but the research is more mixed and more interesting than most headlines suggest.

7 min read

Not sure which sound fits you?

Answer a few quick questions about your environment and what you're hoping to feel, and we'll match you to a sound category worth trying tonight.

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