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Sleep tracking is a weak point.

Former Member over 7 years ago

Coming from other devices such as Samsung Gear S2, I'm impressed with virtually every feature save one. Sleep tracking.

so far in one week it's got my times wrong twice and failed to track one day. It looks like Garmin sample HR regularly on the VA3 but it seems that only accelerometer data is used to analyse sleep.

that's seems pretty absurd, in that using both (as Sleep as Android does) would offer far more accurate metrics.

is there a good reason for this anomaly?

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0 pshare over 7 years ago

Probably because sleep tracking is calculated in web connect and web connect supports pretty much all of Garmin's devices including many devices that don't track 24/7 HR like my VA. They could have multiple sleep tracking algorithms depending on the device but so far it seems they don't.

0 AukeJongbloed over 7 years ago

According to my Fenix 3HR i sleep absurd long hours :)
Garmin thinks i am a very well rested guy!

I would love to have good sleep data but the data from my Fenix is just absurdly wrong.
And not some day's wrong, some days correct but alway's way to much sleep hours.

0 pshare over 7 years ago

When I first started with Garmin tracking years ago, I had to manually start and stop sleep mode to get sleep data. Since it became automatic, perhaps because I was used to a manual system, I just use the graphs as an indicator of when I slept. Then I just have to tweak the results. For example, today, I removed about 2 minutes that were included in sleep time when I first got up.

Usually, it's more but I feel like I get a good approximation of what went on while I was unconscious. I don't expect the results to be gospel.