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Pulse oximeter only tracks for a few hours during the night.

Hello

I have an issue with my Forerunner 245 (non-music) that I would like assistance with please.

As mentioned, the pulse oximeter can kick in automatically while you’re sleeping. I still find it odd that it only tracks for a few hours during the night, instead of the whole time I’m sleeping.

Did you notice the same in your device? and do you know how to fix it?

Thank you, I am very grateful for your help.

SpO2 tracks only few hours

0 imagodespira over 5 years ago

It is not a bug, it´s a feature ;)

The pulse oximeter works for some hours during your sleep, in times where most people sleep deep. It is a normal function ot this watch and maybe for battery saving.

0 HLP over 5 years ago

(245M) My previous firmware only measured 4-hour length window. Now, it measures the whole sleep time, but not successive records like heart rate data. Just try to update the latest firmware.