Samsung’s Galaxy Watch9 can turn sleep, activity, and cardiovascular data into personalized health scores, but those results depend on more than simply putting the watch on. Vitals, Daily Cardio Load, Fitness Index, and Heart Health Score each rely on different data, setup steps, or minimum tracking periods before they become useful.
Samsung unveiled the Galaxy Watch9 on July 22, 2026, with general availability beginning August 7 in select markets. Now that the watch is reaching buyers, the practical question is not which health features Samsung announced, but what users must do before those features work as intended and which functions…
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