Sleep tracking bug ?
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I updated the original post including the most important insights of the discussion.
Thanks a lot for all the answers! -
@ChrisA
Thanks, I‘ve seen your posts where you explain your „rest HR“ trick to get sleep tracking working. I first thought you are doing it wrong but now I think SA is wrongly presenting the min. HR so prominently in a dashboard widget and thus putting some users on the wrong track! Also @Egika explained how to determine rest HR in a meeting above. That is what I thought was rest HR, too.I think the SA is in general really good with the analysis it offers, but the rest HR only might indicate something about overall current health (higher min. HR could mean recovering from training or getting ill), nothing else. I need to study the articles on suunto.com (just read https://www.suunto.com/de-de/sports/News-Articles-container-page/Figure-out-your-training-zones-and-supercharge-your-fitness/).
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@Mauerwegler said in Sleep tracking bug ?:
@ChrisA
Thanks, I‘ve seen your posts where you explain your „rest HR“ trick to get sleep tracking working.Actually I learned it here in the forum - don’t know exactly from who, I think it was @Brad_Olwin but I am maybe wrong, I learned so much here
. But I agree with you on the terminology of resting HR and I don’t know for sure, if what I am doing is the right thing, it works for me, so I do it this way. -
@ChrisA @freeheeler is to blame for his trick
in all seriousness, resting hr is not same as avg min hr during the day not the night looks like there is some confusion on Suunto side as well, the online manual suggest to use min hr as resting hr which isn’t accurate for general purposes, however seems to be working for some folks in the Suunto ecosystem 
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@herlas thanks and Kudos to @freeheeler
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@ChrisA you might have, we have gone over this in the past to get HR working, now it makes a bigger difference for the sleep tracking.
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C ChrisA referenced this topic on
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Sorry to beat a dead horse (or maybe it just has a low resting HR?), but Suunto suggests to "Use the lowest heart rate reading measured during your sleep as your Rest HR” in the Race User Guide under Widgets » Resources. The same is stated for other watches as well.
So is the Sleep HR + 10 trick just a hack for those having trouble with sleep tracking? Or is the user guide incorrect and out-dated?
I known there is some discrepancy as to the “correct” definition of resting HR, but it seems Suunto has chosen the lowest sleeping value. However, I have a feeling that what Suunto labels as “Minimum HR” under Sleep is perhaps a minimum average over a 10 minute period. Having worn other devices while sleeping, I know that my absolute minimum HR often dips well below what Suunto labels as minimum. Is this perhaps a holdover from the times before 24x7 constant HR tracking? If so, this would actually be a pretty decent measure for a resting HR and similar to how other companies calculate it.
Sorry if these particulars have been discussed previously. I tried to go back through a few topics on the subject, but there are a lot!
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@duffman19 thank you for bringing this up again.
I guess that common sense in this forum is, that resting HR really is resting HR, and that this Suunto paper is just wrong… -
@Egika so what to do now!?
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@Egika said in Sleep tracking bug ?:
@GiPFELKiND said in Sleep tracking bug ?:
@Egika so what to do now!?
in regards to what?
I think what is meant is: will Suunto tell us what is the right thing and update the documentation?
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@Mauerwegler don’t know. I am not Suunto…
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@Egika said in Sleep tracking bug ?:
@Mauerwegler don’t know. I am not Suunto…
I know. But could you make them aware of our confusion? Janne who wrote https://www.suunto.com/de-de/sports/News-Articles-container-page/Figure-out-your-training-zones-and-supercharge-your-fitness/ probably can advice.
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@Mauerwegler actually I have done so in January already…
There is this older read about resting HR here: https://www.suunto.com/de-de/sports/News-Articles-container-page/know-your-resting-and-max-heart-rates/?category=SuuntoTri
It advises to measure HR right after waking up - but maybe is a little outdated…
And again - I repeat myself: the forum has come to the conclusion that resting HR is actually resting HR as it says. Everything works well with this setup.
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I had a great sleep last night, out cold by ten, woke up at 6.40. Suunto claimed I’d slept for 2.38
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@David-l I have the same problem every night. Sleeping hours in SA have gone down by 2 to 3 hours each night, since I have the Race. This is definitely wrong. There might be room for some optimisations
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@wmichi sleep tracking is spot on for me. Very impressed!
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@Marius-Jacobsen-Eggerud yes for me too… But @wmichi perhaps you can try wearing it on your other wrist? I just propose this, because I had a little scratch on my skin just beneath the watch buckle, so I wore the race on the other arm that night and sleep tracking was not correct as usual. Perhaps I did not wear the watch tight enough or it was just a bad position, but changing it back the next night resulted in correct sleep tracking again
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@ChrisA I wear it pretty much the same way as the Vertical. Snug but not uncomfortable fit, no scratches on the skin, no tattoos, hair shaved under the watch. I even tried it on my other hand - same result. The SV pretty much every night nailed start and end of sleep times. My resting HR is also set to a higher value than my average minimum HR during sleep.
The last 7 days (by coincidence since I have the Race) I went late to bed and my HR took longer to drop, maybe this can cause these issues. Also my HRV is lower than usual in the last 7 days (training stress + a 4 year old kid in hardcore defiance phase). Probably Suunto’s algorithm misinterprets not-so-good-sleep at the beginning of the sleep time as being awake. But that’s just the problem with recognising the start of sleep. In 3 out of 7 nights, the watch thought I got up at 5:00, while I was in coma at that time and I actually woke up at 7:30.
Difficult to tell what could be the reason for my bad results. Maybe I should try some yoga and breathing exercises.
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@wmichi Ah I see you already switched sides - was just a thought. Ah… and I know kids can be hard sometimes
. While I would love to say it only gets better, I have a 15 year old young lady here, whose “defiance” sometimes is hard to bear too , but it’s really getting better - my 21 year old is a real pleasure again
