I have really enjoyed all the metrics I get from paying for Fitbit premium. However, the last week my Luxe has stopped measuring my Heart Rate Variability through the night. About 4 days ago it measured 0, and I thought that was a true measurement potentially, so I waiting a couple more days. I did not work out over the weekend, so I know that it wasn't basing it off of recovery. For a couple days in a row it has shown a metric of 0, when it has had no problem measuring for the last few months. Furthermore, it seems that everything else is being measured properly through the night. This is the only data that is off. I reset my device already and that did not work.
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