Take a moment to think about all the sounds you hear in a day — from the the shrill ring of your morning alarm to the soothing ocean
wave sleep app you switch on at bedtime; from the podcast you listen to on your way to work to the unnecessarily prolonged car horns on your commute home.
Not exact matches
I can't speak for the reliability of the remote
sleep tracker, which purports to identify circadian rhythms via electromagnetic
waves and then maps them on an
app.
Listen to Soundscapes Relaxation Music - Ocean
Waves, Relaxing Nature Sounds for relaxation, Meditation, Massage, Yoga, Tai Chi, Reiki and
Sleep in full in the Spotify
app
Free in the
app store (there's also a paid version, but I've found the free one more than ample for my needs), White Noise Lite has the usual lineup of soothing
sleep sounds: beach
waves, rain, crickets, fan, white noise.