Nighttime Utility & Tranquility System

Procedural sleep audio that never loops the same way twice.

NUTS synthesizes rain, ocean, and thunder in the browser with the Web Audio API, then fades itself out when your sleep timer reaches the final minute.

Offline-ready PWAMedia Session controls60-second timer fade

Playback Core

Rain

Tap any soundscape below to start. Audio only stops when you press stop or a timer ends.

Select a soundscape to begin
68%

Master gain feeds a compressor before the destination to keep the output controlled.

Choose a soundscape to start immediately.

Procedural Soundscapes

Pick the texture that fits the room.

Choose a soundscape to start immediately.

Sleep Timer

Fade to silence on your clock.

30 min preset

Tomorrow Morning

End at a specific wake-up time.

Choose the time you want the soundscape to be fully silent tomorrow.

Selected wake time: 4:00 AM tomorrow

Session Signals

Operational status at a glance.

Current Focus

Midnight Rain

Pink noise softened into a midnight curtain

Capabilities

Media Session unavailableNo hapticsWake Lock unavailable

Engine Notes

  • Rain uses filtered pink noise with subtle frequency drift.
  • Ocean breathes by modulating white noise with a slow sine LFO.
  • Thunder fires brown-noise bursts on irregular intervals with long decay.
Ready

Midnight Rain

30 minute timer ready.