Please update the sleep tracker and move away from “Restless” vs “Asleep” to focus more on “Light” vs “Deep” sleep. From your definition of “Restless” sleep and from what my tracker says, “Restless” really seems to represent a lighter sleep. This is still sleep, and is an important part of a person’s sleep cycle (a person cannot just be in deep sleep and unmoving all night, it is necessary to cycle). I don’t quite understand why restless (or light) sleep would not count towards a person’s overall sleep. The way your tracker is currently configured seems to create some panic in blogs, because people see that they have only slept 4 of 8h, for example, and assume that they have some kind of a sleeping disorder.
It would be more helpful to know whether we have slept 7-9 hours (including light and deep sleep), and whether we get around the 30-40% deep sleep that is suggested. I think this could be an easy integration, the Fitbit already has the movement and HR data necessary to decipher between the two, at least approximatively. In other words, something to help determine the quality of sleep would be excellent and make the Fitbit the best overall wellbeing tracker. If there was a way to integrate a smart alarm to make sure wakeup is during a light sleep cycle, that would be even better!
Moderator edit: labels and updated subject for clarity.
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