SomniTune: Sleep Sounds

SomniTune helps you find out which sleep sounds and bedtime rituals actually work for you. Play a sound as you fall asleep — rain, thunder, ocean, a stream, a crackling fireplace, a purring cat, a fan, brown or pink noise, calm ambient music, or singing bowls and chimes for meditation — and set a sleep timer. In the morning, SomniTune pairs what you played with the sleep data in Apple Health and shows how each night went: total sleep, time to fall asleep, deep and REM sleep, and a hypnogram of your sleep stages. WHICH SOUND IS FASTEST FOR YOU From the second night you try a sound, Insights names the one you fall asleep fastest with — and says how clear the difference really is, measured against how much your own nights vary. When two sounds are inside each other's noise, it tells you that instead of picking a winner. WAKE-UP ALARM Set the time you must be up by and a window of 15, 30 or…