Sleeply
Sleep sound mixer for better rest

What it does
Most sleep sound apps give you one sound. Sleeply gives you a mixing desk. Layer rain noise, brown noise, fan sounds, and soft piano all at once - then dial each one to exactly the right volume until your perfect soundscape clicks into place.
Mix sounds like a pro
Unlike basic white noise apps, Sleeply lets you play multiple sounds simultaneously. Blend cabin rain with a crackling campfire and distant thunder. Stack brown noise with fan noise and a soft rain loop. Every sound has its own volume slider, so your mix feels precisely right - not just close enough.
50+ sounds across 7 categories
- Rain - Soft Rain, Heavy Rain, Cabin Rain, Rain & Thunder, Thunderstorm, Suburban Rain, and more
- Noise - White noise, brown noise, pink noise, fan noise
- Nature - Forest, Ocean, River, Birdsong, Campfire, Autumn Woods
- Melodies - Music Boxes, Soft Piano, and other calming sleep music
- Urban - Café Ambience, Train Ride, Car Ride, Airplane Hum, Traffic
- Animals - Cat Purr, Night Crickets, Frogs, Dove, Birds in Rain
- Household - Fridge Hum, Wall Clock, Wind Chimes, Water Droplets
Sleep timer with gentle fade-out
Set a countdown and Sleeply slowly fades your soundscape to silence when the timer ends. No abrupt cut-off - choose how long the fade lasts and let it ease you across the threshold into sleep.
Save your favourite mixes
Found the perfect blend? Save it as a named preset and reload it instantly next session. Build a library of mixes - one for deep sleep, one for focus, one for stormy nights. Your collection lives on your device, no account required.
Ready-made mixes - start in one tap
Not sure where to begin? Six curated mixes are ready to go:
- Forest Walk - River, birdsong, and woodland ambience
- Rainy Cabin - Cabin rain, campfire, thunderstorm sounds
- Deep Sleep - Brown noise, fan noise, rain loop
- Summer Night - Crickets, frogs, and a warm breeze
- Late Night City - Traffic, white noise, café sounds
- Train Journey - Engine hum and rain on the windows
Built for darkness
The screen dims automatically while your sounds play, keeping your room dark. One tap brings the controls back - no fumbling at 3am.
Premium - one purchase, yours forever
Unlock all 50+ sounds and every feature with a single one-time payment. No monthly fees, no renewals. Or watch a short ad to unlock premium sounds for a session - your choice, every time.
Available in 15 languages. Download free and start tonight.
Frequently Asked Questions
Related guides

Nature Sounds for Sleep Why Ocean Waves and Wind Calm Your Brain
Struggling to rest? Discover the science of using nature sounds for sleep, ocean waves, and wind sounds to block disruptions and trigger deep relaxation.

White Noise v Brown Noise - Which is Better for Sleep?
Unpack the science of white noise v brown noise for sleep. Learn how different frequencies like brownian noise mask distractions and help quiet a racing mind.

Why Do Rain Sounds Help You Sleep? (The Science Behind Rain Noise for Sleep)
Discover the neurobiology of acoustic masking, why the sound of rainfall to sleep works so well, and how to combine rain and white noise for the ultimate rest.
Ready to try Sleeply?
Available on Android & iOS. No signup required.