[autoexec]

They'll know when and how often you're awake or sleep (including how well you slept), sick, fucking, drunk or high, anxious or upset, relaxed, shitting, menstruating, medicated, etc. Combined with other data and tracked over time there is a shocking amount of intimate information you can get from just those two things which is why companies like Oura and Fitbit are so eager to get their hands on it.