Disappointing Sleep tracking after new update

AnonVerticalOwner

@AnonVerticalOwner said in Disappointing Sleep tracking after new update:

Updating this with more testing done: Soft reset, hard reset, and turning off things like DND or HRV all had no effect. However, I noticed that the HR graph has a bunch of significant gaps (30m to 2h+) throughout the day despite having the watch firmly secured.

Another night, another report back: HR was tracked properly for the duration of the night this time, and the sleep data is consequently pretty spot-on.

All I did was turn DND and HRV back on (out of defiance) and tighten the strap even further, a bit beyond what’s comfortable. So perhaps the sleeping algorithm is just way more sensitive to gaps in the HR data than before. Or… maybe HR tracking got more picky in an effort to be more accurate.

Either way, with people tossing around while sleeping, possibly laying in ways that lift the sensor off the skin momentarily, such sensitivities would of course wreck the sleep tracking for some.

To be continued.

Mff73

Only 2h30 of sleep for me this night.
Watch missed my fall asleep hour by more than 2 hours, and count me awake for more than 3h, which was not.
Same settings as usual, auto DND set for same range as sleep tracking, VFC on, HR on.

Highlands

@Mff73 Same for me is Suunto race last night.

Dušan Ković

I have SR fo 3 weeks, and also have constant too many awake hours. It matches sleep start and wake up times correctly, but awake segments ar not correct. I have noticed that tracking depends on the how hard the strap is tightened. If you keep it loose it will work terrible.

But even with strap tight enough I still get too many awake hours.

Iggge

So after a really good sleep between 22:00 and 07:00 the watch only shows 3 hours of sleep, and my hrv is even lower than yesterday at 34.
I am 32 years old so it must be wrong
My other watch(not suunto) shows 8.50 hours of sleep.

Need to get this fixed. Have been searching for another watch since it never works, and after the new update the sleep is really important so the other data can shown the correct value

Dimitrios Kanellopoulos

@Iggge said in Disappointing Sleep tracking after new update:

I am 32 years old so it must be wrong

Not really true. HRV is related to sympathetic / parasympathetic system and heart function on a presonal level

Iggge

@Dimitrios-Kanellopoulos that is True. But the HRV is higher erverytime that the watch show correct sleep analysis.
Also exercise alot and it seems strange to have that low HRV

SuperFlo75

@Iggge I think that‘s correct because if you are more relaxed, and you sleep better, your minimal HR should be lower and your HRV should be higher. This is how I understood this think… but I am not a doctor for cardiology, just for orthopedics and Chirotherapie/osteopathy… The watch should get a good HR data, and for me it works in case of wearing the watch tight enough at Night…

Iggge

@SuperFlo75 Same here. A normal and good Hrv should be around 55-60, and not 34 as it stans now. I should be braindead if the sleep analys om the watch were correct

wmichi

@Iggge I have a Suunto Race but I have the same issue as you. Although I don’t know if it is really an issue. I also see very low HRV measurements on the SR. With Oura I am usually between 45 and 60 (with lowest at about 25 and 100 the highest) and the fluctuations of the HRV value align pretty good with my sleep quality, training/live stress and being healthy or sick. On SR my range is between 29 and 32. The value is mostly the same every night on SR since 4 weeks.

But all of a sudden, my HRV on SR went UP three days ago, when I had a positive COVID-19 test and showed symptoms (from the daily 30/31ms to 40ms the last three days). At the same time HRV on Oura dropped significantly below my normal range to 20ms. I am also wearing my wife’s old Apple watch currently, until it is sold second hand. The AW and Oura show comparable HRV values for each night and the trends are the same. On the SR there is absolutely no trend visible, it’s basically a flat line, as the SR measures every night mostly the same value. With the exception of the last three days.

I am still unsure what I should think about those HRV measurements. I’d love to get rid of Oura (and the subscription), but currently I don’t really trust what the SR measures. On the other hand, 4 weeks of data is not that much to make a judgement about a metric, where the long term trend is important.

Also the absolute values cannot be compared between devices. It can be perfectly fine, if Suunto always measures lower values (or higher values) than other devices. As long as the trend is comparable. But that’s my issue: AW and Oura show the same trends (which align with my subjective feeling), Suunto is completely different. Also a 3ms normal range just feels suspicious
to me.

I also see too much awake times each night on the SR, although it got better in the last two weeks. The first two weeks I should have been braindead according to the SR. Maybe there’s a connection.

Tieutieu

One week after update, sleep tracking keeps going perfectly spot on for me, far much better than before.
My HRV goes a bit up after few days of bad sleep and hilness, but is still no very “hight” (43)

Iggge

@Tieutieu if you have some nights with bad sleep, thr HRV should not get higher, but lower.
Or am i wrong? Normal HRV depends on age, but for me it should be between 55-60 (age 32)

Iggge

@wmichi I hear you. Love Suunto, but for over 800 dollars I am expecting more. My wife, and colleagues all have watches between 200-400 dollars and all have more stable data.
Have started to look at garmin tactical for the first time since I work in the armed forces, and need really good battery altso. But I will wait for the update and hope it fix this

Tieutieu

@Iggge yes that is what is going on, my very last nights are better, hrv is increasing

SuperFlo75

@Iggge I think the indivudual HRV is very different, and it is not Easy to compare the value of two persons… look at this…
https://hrvguide.com/normwerte-herzfrequenzvariabilitat/
It‘s German 🥲 perhaps you can translate it?

Iggge

@SuperFlo75 I did translate it. Good reading! But I still don’t think the HR V is correct. Any idea how to test this?

SuperFlo75

@Iggge perhaps a medical device, there are ECG devices which can measure HRV…

pilleus

@Iggge said in Disappointing Sleep tracking after new update:

Any idea how to test this?

If you have a WearOS watch, then you can capture your HRV 24/7 and regard the values as graph in a web interface. Correlatioins to heart rate and stress are shown very good and transparent.

Just install the app Stila out of the PlayStore and have fun (available only for Android). It is a project of the Ludwig-Maximilian-University in Munich.

Stoke80

@Iggge

For me the HRV values from my SV do make sense. I state this because of the following reasons:

I checked on Apple Health with the average values I had when I was wearing an Apple Watch (October 2020 until November 2022). And they are about the same (bit lower now)
They are in line with (even a bit higher) than the values on the link from @SuperFlo75.

Sure that doesn’t tell that the Suunto values are 100% accurate, but for me they make sense, because of the mentioned reasons.

Iggge

@pilleus Thanks! Done that now!