This is a blog where I will be sharing my thoughts on a daily basis. Thank you for reading this blog and please give me your input.
Saturday, July 21, 2018
Saturday, July 7, 2018
How does fitbit know when i'm sleeping
Hey @eme27fl, welcome aboard! Cat Happy Oh! That is totally normal. When I'm also working at my desk or just laid on my bed watching TV, my heart rate is registered lower that my resting heart rate, you don't have to worry, because remember that your resting heart rate is an estimated based on your heart rate data from when you’re awake and asleep. Your resting heart rate is usually higher than your heart rate while you are asleep, so don’t be surprised if your resting heart rate is higher than the lowest number that you see in your heart rate graphs. Now in regards how Fitbit uses your heart rate data to track sleep stages, please review the following explanation: Fitbit estimates your sleep stages using a combination of your movement and heart-rate patterns. When you haven’t moved for about an hour, your tracker or watch assumes that you’re asleep. Additional data—such as the length of time your movements are indicative of sleep behavior (such as rolling over, etc.)—help confirm that you’re asleep. While you’re sleeping, your device tracks the beat-to-beat changes in your heart rate, known as heart rate variability (HRV), which fluctuate as you transition between light sleep, deep sleep, and REM sleep stages.
https://community.fitbit.com/t5/Versa/How-are-my-sleep-stages-tracked-based-on-my-heart-rate-data/td-p/2786943
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