It used to be that people walked, breathed, and slept without counting steps or beats, or minutes in REM and deep sleep.
That’s so old-school.
Today, smart watches can answer all sorts of burning questions in real time. They can tell heart rate, steps logged that day and time in fat burning mode. They can analyze sleep each night. And soon, some will act as glucose meters.
Shedding light on sleep pattern gives the wearer insight into how much sleep they got in hours and minutes, how many times they woke in the night, and how much light, deep and REM sleep was logged.