KnowSleep: Sleep Insights

KnowSleep does not measure your sleep, and it does not upload anything. It reads the night your Apple Watch has already written into Health, and explains it on your iPhone. One reading, every morning How long you slept, how much deep sleep, when you fell asleep, how often you woke — each compared against your own usual figures, then read back as one conclusion. Add a note that you had coffee in the afternoon or were on your phone in bed, and the reading takes it into account. Only you, against you No "you sleep worse than 80% of people your age". Every comparison is to the median of your own recent nights. What counts as a lot of deep sleep, or as an early bedtime, is settled by your records alone. A sleep score you can open up Duration, bedtime consistency and night-time interruptions: how much each is worth, and what this night earned on each. Anything that could not be measured is…