Lull — Sleep & White Noise

Lull is a simple, beautiful sound mixer for sleep and anxiety relief. Pick from 29 handcrafted ambient soundscapes, layer them together, and quiet your mind.

No account needed. No subscriptions. Just tap, mix, and breathe.

CALM YOUR MIND Can't sleep because your mind won't stop? Layer brown noise with distant thunder to drown out racing thoughts. Mix rain on a tent with a cat purring for instant comfort. Lull fills the silence with something safe — so you can let go and rest.

SOUNDS Layer up to 5 sounds at once with individual volume controls:

• Rain: Gentle rain, forest shower, rain on window, rain gutter, rain on tent, distant thunder
• Ocean: Ocean waves, rocky shore, river flow, flowing stream, beachside cafe
• Forest: Morning birdsong, night crickets, forest birds, cricket loop
• Wind: Gentle breeze
• Fan: Desk fan, ceiling fan
• Noise: White noise, soft noise, pink noise, brown noise, deep brown (extra-bassy for ADHD focus and deep sleep)
• Fire: Fireplace, campfire
• Baby: Heartbeat, music box, piano lullaby, cat purring

FEATURES

• Mix & match: Layer multiple sounds with per-sound volume sliders
• Sleep timer: 30 minutes free, watch a short video for 8 hours
• Dark, calming interface that won't disturb you at bedtime
• Gapless looping: Seamless audio with no gaps between loops
• Background playback: Keeps playing when you lock your phone
• Lightweight: No account, no internet required after install

Whether you're dealing with anxiety, insomnia, or just need to unwind — Lull gives you the sounds that help, without the clutter. No guided meditations, no mood trackers, no wellness fluff. Just sound.

All sounds are handcrafted for sleep: real field recordings, mathematically generated noise for a clean consistent texture, and an original D-flat major piano lullaby composed for the baby section.