Open Mixer

Sleep Sounds — Drift Off Naturally

Calming ambient sounds designed to help you fall asleep faster. Brown noise, gentle rain, and binaural beats for deep sleep.

Open Mixer →

Free. No sign-up. Runs in your browser.

About Sleep Sounds

Calming ambient sounds designed to help you fall asleep faster. Brown noise, gentle rain, and binaural beats for deep sleep. CalmLoop generates all sounds in your browser using the Web Audio API — no downloads, no tracking, no sign-up required.

How to Use

Click "Open Mixer" to launch the full sound mixer. Toggle individual sounds on and off, adjust their volume, and create your perfect mix. Set a timer to auto-stop after 15, 30, 60, or 120 minutes — perfect for falling asleep.

Why Ambient Sounds Help

Research shows that consistent background noise can mask distracting sounds, reduce anxiety, and improve focus. White and brown noise in particular have been shown to improve sleep quality and cognitive performance in multiple studies.