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https://discussions.tomtom.com/en/discussion/1112782/tomtom-no-gps-signal-2019#latest

Spark 3 Cardio - Sleep tracking with heart rate?

Ziggy50Ziggy50 Posts: 9 [Apprentice Traveler]
Hi, I just got the spark 3 Cardio a few days ago and I was wondering does it use the heart rate monitor to tell when you're asleep? It actually does show heart rate during the night and it seemed pretty accurate to me so I was just interested to know. Thanks in advance.

Comments

  • tfarabaughtfarabaugh Posts: 15,605 Superusers
    All it is using to sense sleep is movement; it does not look at HR or other factors. The 24/7 HR is a separate system, taking a reading once every 10 minutes. I hope this helped answer your question. If so, please mark it as a solution so others can look for it if they have the same question.
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