Why does the audio play all night, instead of fading out?
Most sleep tools were designed to help you fall asleep — they end after twenty minutes or an hour and leave you in silence. But humans have rarely slept in silence. Solitary, silent sleep is a recent thing.
LullaWave's nightscape stays with you for the same reason. The night part of it is ambient — the kind of sound you'd hear from rain against a window. It's there, and it's quiet, and a body knows what to do with that.
