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Sleep tracking wildly inaccurate.

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    ccaallen

    I agree, first night was nonsense and second night only a little better as it detected sleep start, but stopped halfway through the night. Given up for now and returned to my Amazfit watch until Withings provide firmware update.

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    anton

    For me the sleep tracking is working surprisingly well. I have no idea if the sleep cycles are correct, i.e. if I am in light or deep sleep, but I can say that it is pretty spot on when I fall a sleep and when I wake up. It also accurately detects when I'm up taking care of my 2 year old toddler in the middle of the night.

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    wolf.d.wahl

    Took some days editing each night (Start, End) but after 3-4 nights it gets it on its own. 

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    gomeiwaku

    I'm not sure if the cycles are tracked correctly. I don't think they are because sleep cycles are more dependent on other stuff than heartbeat- but I understand that the watch only goes by heartbeat, of course, so that part doesn't bother me so much.

    The problem with sleep/wake tracking I think is that the watch thinks that lying down is the same as sleeping. I can stay awake for hours on end without falling asleep and sometimes it registers a couple minutes worth of 'interruptions'. What are the conditions for interruptions? 

    Will the watch be able to learn the difference between lying awake and sleeping, if I just keep wearing it all the time?

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    leif.niemi

    Hi,

    I have had my watch since august  apparently as one of the first to get one. In the beginning I was quite impressed how well the sleeping records matched with my own experience of my sleeping. However quite soon it turned out that I was wrong. There are many nights when I get the answer "no recorded sleep this day" even if I know that I have slept for many hours. I perfectly well understand the difficulties for the watch to decide when I am actually sleeping or just laying down and relaxing or if I am in deep sleep etc. Actually I think its quite impossible for any program, at least wthout a simultaneous camera recording, to register accurately when and how one is sleeping. The task is simply to ambitious.

    I suggest that the sleep recording program is changed so that I myself activate it when I decide to go to bed and try to start sleeping and stop the recording when I wake up in the same way as the exrecise programs.

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    gomeiwaku

    My watch is still registering sleep wrong. It's registering that I slept, but it does not register periods where I am awake. It's still seeing 'lying down awake' as sleeping. Is there anything I could do about this? 

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    ccaallen

    Guys I share your bad experience of poor sleep tracking with Scanwatch. Withings in my experience are not good with this, I previously tried both Move and Pop watches which were as bad.
    To those who say it can't be done I say wrong, I have used Garmin, Huawei and currently Huami Amazfit watches all track sleep very well out of the box with no intervention, tweaking or "learning" needed. Withings I believe are a relatively small, under resourced business that just haven't worked it out yet. What to do? Either wait (a long time!) Or buy a different watch. I only keep mine for the ECG which, for me, is the only thing that works properly and reliably.

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    Withings user

    The other measurements during sleep, like heart rate and breading disruptions are very useful for me. And in my case sleeping registrations seems to be ok. Rem sleep is not (yet) available and might be offered in the future. My next buy will be the scale as addition. Might consider the sleeping mar as well

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    peterdemey

    I have the scanwatch and the sleep analyzer. The result for last night; deep sleep 0h42 (sleep analyzer) and deep sleep 4h03 (scanwatch)....The difference is the same for other nights. And also the apneus are very different: 15-30 (sleep analyzer) and 1-5 (scanwatch). So my conclusion is that the Scanwatch is rubbish for sleep analyzing, which is confirmed in this test: https://www.nextpit.de/withings-scanwatch-test.

    It's a lost of money...

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