Lull
Your perfect sleep soundtrack.
Mix rain, wind, ocean, and white noise into a custom ambient blend. Free, no accounts, no subscriptions.
Custom Sound Mixing
Layer rain, wind, ocean, white noise, and more into your perfect mix. Adjust each sound independently.
Designed for Sleep
Calming ambient textures carefully crafted to help you fall asleep faster and stay asleep longer.
No Subscriptions
Free to use, no accounts required. All sounds are bundled in the app. Your sleep is not a subscription.
Sleep better tonight
Free to download. No subscriptions. No account required.
From the blog
- White Noise for Babies: What's Safe and What Works
AAP guidelines, the key studies, and a practical setup guide for new parents.
- White Noise vs. Pink Noise vs. Brown Noise
What the research actually says about colored noise for sleep — and what it doesn't.
- Brown Noise, ADHD, and Focus
Separating science from TikTok hype. What 13 studies and 335 participants actually found.