I have a Fenix 5 and a Withings Activite Pop, and the latter is much more accurate. How an almost 10 year old semi-smart watch can beat a top model fitness tracker with HR is beyond me. What DotZee is trying to say (I think) is since sleep is super important for body battery and sleep tracking algorithm is super bad the results would be
The Fenix 7 goes up against watches like the Coros Vertix 2 ($699/ÂŁ599) with its 140-hour GPS battery life, and the Polar Grit X Pro ($429/ÂŁ379), which is Polar's latest outdoor watch.
You can use your compatible smartphone to manage notifications that appear on your fēnix® 5/5S device. If you are using an Apple ® smartphone, use the notifications settings on your smartphone to select the items to show on the device. If you are using a smartphone with Android™, from the Garmin Connect™ Mobile app, select Settings15. Clock32. This watch face has a stylish, digital design with the time and date in the center and a progress bar around the edges. It supports multiple color configurations and displays a ton of extra details. You can see heart-rate, total steps, notifications, alarms, Bluetooth status, battery level and much more.
The Body Battery is a feature of Garmin smartwatches that measures your body's energy levels throughout the day, using a combination of data from heart rate variability, stress, sleep, and activity. According to Garmin’s website, the Body Battery is determined by a combination of heart rate variability (HRV), stress, and activity data to 22lrRU.