HUSH

Sleep · Focus · Relax

16 scientifically-crafted sounds, a built-in breathing guide, curated sleep mixes, and a gradual fade-out timer — everything the top apps are missing, in one dark, beautiful web app. Free and ad-free.

Start Listening — Free

16 Sounds. Every Environment.

Noise Science

  • White Noise — Equal energy across all frequencies
  • Pink Noise — Softer than white, most popular for sleep
  • Brown Noise — Deep warm rumble for focus
  • Delta Waves — Binaural 100 / 102 Hz pulsing

Nature

  • Rain — Steady rainfall on glass
  • Ocean — Slow Atlantic breakers
  • Thunderstorm — Distant thunder, heavy rain
  • Stream — Babbling brook over stones
  • Forest — Birdsong, breeze, insects
  • Night Crickets — Warm summer evening chirping
  • Campfire — Crackling wood, warm embers
  • Wind — Irregular gusts through open air

Ambient

  • Coffee Shop — Murmur, cups, espresso hiss
  • Fan — Steady blade flutter hum
  • Airplane Cabin — Low-frequency drone, air flow
  • Singing Bowls — Tibetan bowls, 432 Hz overtones

Everything the Top Apps Are Missing

  • 16 Crafted Sounds — Three noise types, eight AI-generated nature soundscapes, binaural delta waves, and four exclusive ambient scenes, each looped seamlessly.
  • Infinite Mixing — Stack all 16 sounds at once with independent per-sound volume sliders.
  • Breathing Guide — Built-in animated breath pacer with 4-7-8 Relax, Box Breathing, and Simple 4-4 patterns.
  • Saved Mixes — Four expert-curated presets: Deep Sleep, Focus Flow, Forest Night, Storm & Cozy. Save your own by name.
  • Gradual Fade-Out — Audio fades gently over five minutes when the sleep timer ends — no jarring hard cut.
  • Live Waveform — Real-time canvas visualizer driven by the Web Audio analyser node.
  • Sleep Timer — 15, 30, 45, or 60-minute timers, or infinite mode for all-night sessions.
  • Dark by Design — Pure-black interface, no harsh whites, ever.
  • Zero Ads. Forever. — No banners, no pre-rolls, no email capture popups.

Guided Breathing Patterns

  • 4-7-8 Relax — Inhale 4 · Hold 7 · Exhale 8. Lowers cortisol fast.
  • Box Breathing — Inhale 4 · Hold 4 · Exhale 4 · Hold 4. Navy SEAL stress control.
  • Simple 4-4 — Inhale 4 · Exhale 4. Perfect for beginners.

Curated Sleep Mixes

  • Deep Sleep — Brown Noise + Rain + Delta Waves
  • Focus Flow — Coffee Shop + Fan + Pink Noise
  • Forest Night — Forest + Night Crickets + Stream
  • Storm & Cozy — Thunderstorm + Campfire + Brown Noise