Sleep sounds
A sample of each, and how to use it. The app has 200+ sounds you can layer into your own mix.

Rain
How gentle rain, rain on a tent and rain on a window sound different, why many people find rain soothing, and simple tips on volume and timers.

Brown noise
What brown noise is, how it differs from white and pink noise, what the evidence says about sleep, and how to use it safely and comfortably at night.

White noise
What white noise is, why some people sleep better with it, how it compares to pink and brown noise, and how to use it safely for adults and babies.

Ocean waves
Why many people find ocean waves soothing at bedtime, how to choose the right wave sound, set volume and timers, and use them safely around babies.

Fireplace
Why crackling fire sounds help some people relax at night, how to use them for sleep, safe volume tips, and how to pair them with other sounds.

Fan
Why fan noise helps some people sleep, how box fan, ceiling fan and air conditioner sounds differ, and how to use them comfortably and safely.

Pink noise
What pink noise is, how it differs from white and brown noise, what the research does and doesn't show, and how to use it for sleep at a safe volume.

Thunderstorm
Why some people drift off to thunderstorm sounds, how to pick a track without jarring thunder, and tips on volume, timers, kids, and when to see a doctor.

Crickets
Why cricket chirps and warm summer night sounds help some people relax at bedtime, how to choose a good recording, and tips for volume, timers and babies.

Sleeper train
Why the steady rhythm of a sleeper train helps some people relax, how to choose and set up train sounds for sleep, and what the evidence does and doesn't say.

Binaural beats
How binaural beats work, what delta and theta mean, why you need headphones, and what research does and doesn't show about sleep.

Shush for babies
How to use white noise and shushing sounds for babies safely: volume, where to put the speaker, timers, and when to check in with your pediatrician.

Fall asleep with Sleepy
200+ sounds, sleep stories and a gentle timer. Free on iPhone.