Fitbit tracking device

I bought a Fitbit tracking device as I found that manually keeping a sleep diary was keeping me awake. It's been really effective for filling in my sleep diary.

There are two sleep settings normal and sensitive and I've been using sensitive for the last two weeks and I'm now not sure whether I should be using that setting. Fitbit say:

The normal setting counts significant movements such as rolling over as being awake, and is appropriate for most users.
The sensitive setting will cause your tracker to record nearly all movements as time spent awake. This setting may be helpful for users with sleep disorders, or those who wear their tracker somewhere other than the wrist while asleep.

Which should I be using. I've been wearing the tracker on my wrist and sensitive is showing that I wake up 8-13 times a night. However, I'm not aware of being awake more than once or twice a night. I'm currently into 3 days of the session 3 Pro-sleep schedule.

Posted 25 Sep 2014 at 9:57 AM
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  • Sleepio Member

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    Graduate

    Gosh I would be really annoyed if I found out that I could have used my computer (it has windows 10). Currys assured me I couldn't so I ended up buying a new phone that I didn't really need because I'd already bought the fitbit. Mind you I love the phone now and the contract isn't really any more than I was spending on PAYG.

    Good luck in sorting out your problem. By the way, the final message I got from fitbit said “having worked as a team with you has been incredible for us!” – make of that what you will;)

  • Sleepio Member

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    Graduate

    I am afraid my FB will read all these posts and get ideas as at the moment it is behaving itself admirably. Hubby's earlier Charge HR has decided to show a strange elongated battery symbol most of th time even when it is fully charged. Working ok if he gets past that.

    I wake up on tenterhooks every morning in case mine decides to throw a wobbly…

  • Sleepio Member

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    Graduate

    I am continuing to log my sleep from a Fitbit and have a question relating to the information it provides and how it is used to determine sleep quality.

    My query is: if I enter that I have woken one or more times a night then I get an *option to say for how long. This is on a Fitbit as 'awake/restless'. If I enter 0 then I don't have an option to enter 'awake restless' and the sleep quality is significantly higher.

    Example
    1/ I go to sleep 12mn. Awake 6am. 0 times awake.
    *Fitbit says awake/restless 2hrs. Sleep quality: 34%

    2/ I go to sleep 12mn. Awake 6am. 1 time awake.
    *Fitbit says awake restless for 2hrs. Sleep quality: 51%

    I'm wondering how accurate sleep accurate sleep quality calculation is based upon a Fitbit.

  • Sleepio Member

    • 5 comments
    • 1 helped
    Graduate

    I am continuing to log my sleep from a Fitbit and have a question relating to the information it provides and how it is used to determine sleep quality.

    My query is: if I enter that I have woken one or more times a night then I get an *option to say for how long. This is on a Fitbit as 'awake/restless'. If I enter 0 then I don't have an option to enter 'awake restless' and the sleep quality is significantly higher.

    Example
    1/ I go to sleep 12mn. Awake 6am. 0 times awake.
    *Fitbit says awake/restless 2hrs. Sleep quality: 51%

    2/ I go to sleep 12mn. Awake 6am. 1 time awake.
    *Fitbit says awake restless for 2hrs. Sleep quality: 34%

    I'm wondering how accurate sleep accurate sleep quality calculation is based upon a Fitbit

  • Sleepio Member

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    Graduate

    Hi Eileen

    If I understand you correctly you have a FitBit that gives you are 'bar-code' reading (asleep, restless, and awake) rather than the newer sleep stage 'graph' (awake, REM, light and deep sleep stages)?

    I notice that when I got the bar-code instead of the graph and I scroll down the page on the sleep window it tells me how many times I've been awake and how many times I've been restless; and then the minutes I've been awake/restless. However, if I click on the double arrow at top right hand corner it tells me how long I've been asleep, restless or awake in hrs / mins. So you can then break it down further.

    We often have periods when we can think we're still awake, but actually are asleep – this is possibly what FB is recording as restless. So if you just put in the amount of time FB states that you are awake (rather than awake/restless) you should get a more accurate SE.

    Hope this all makes sense and is of help :-)

  • Sleepio Member

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    Graduate

    PS it is sleep efficiency that the Sleepio sleep diary is calculating. You have to rate the sleep quality yourself.

  • Sleepio Member

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    Graduate

    Hi Rosie. Apologies for butting in to your response to Eileen but it seemed relevant. I didn't know you could break down the bar graph like this so I just looked at mine for the nights it didn't record sleep stages and it said 'awake' for 5-6 mins only – I don't think so!! To be honest I don't see how they can differentiate between awake and restless and it seems in my case that they can't.

  • Sleepio Member

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    Graduate

    Yes, I agree, it doesn't seem to match the info you get when you get the graph. But it does break it down into awake and restless (as if they are different) so it would be interesting to know what they mean by 'restless'.

  • Sleepio Member

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    Graduate

    I've posted on your profile about replacements.

  • Sleepio Member

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    Graduate

    Good for you Jane. You have put up with a dodgy fitbit for too long (and still managed to sleep). Fingers crossed that both our new ones behave perfectly.

  • Sleepio Member

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    Graduate

    I have called and they replaced my at least twice. They were always nice about it.

  • Sleepio Member

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    Graduate

    I started Sleepio yesterday and linked my Fitbit Alta HR, which provides more sleep data than the older Fitbits. The info imported to Sleepio is wildly different from what Fitbit itself reported. It says I was awake two hours more than Fitbit says! The Fitbit data rings true to what I experienced for wakefulness. What is going on?

  • Sleepio Member

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    Graduate

    Hello Renee and welcome to Sleepio.
    I too am a Fitbit user and have my device linked to Sleepio. However, almost from the word go I realised that there were discrepancies – the most obvious one being that FB records lying still as being asleep. So, I always fill in my Sleep dairy manually, basing the information on Fitbit but also on my own perceptions. I am more satisfied with the end result that way. I do find, however , that usually the difference between total sleep as calculated by me +sleepio and Fitbit's data is only 10-15 minutes overall.

  • Sleepio Member

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    Graduate

    I admit I seem to be lucky with my Fitbit. I wonder if Lindsay (lhobby) got her replacement and,if she did, whether it is behaving?

    My only problem has been a few night's here and there where mine has reverted to the bar graph rather than the detailed analysis.

  • Sleepio Member

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    Graduate

    Yes I've got my new one. Two nights working – so far so good.

  • Sleepio Member

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    Graduate

    Hello Renee545. I enter my sleep diary data manually.I have never linked my fitbit to Sleepio as I got it after I started so i use this data and subtract the time awake the fitbit gives when I know I wasn't even in bed but just listening to my meditation track pre-bed. It then more or less co-incides with what I feel. After that, Like OFSS, mine is only 15 mins or so out.

  • Sleepio Member

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    Graduate

    Thanks for the input. I will just manually change things. I seem to “nap” often when I first go to bed, then wake up about 20-30 minutes later and stay awake sometimes an hour or more. I think FB can't handle this.

  • Sleepio Member

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    Graduate

    Thanks for the advice!

  • Sleepio Member

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    Graduate

    Thanks. It was about two hours different again, but I think you're right, FB thinks that if your heart rate is low that you are asleep rather than lying awake as I was. I guess I'll just keep editing manually.

  • Sleepio Member

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    Graduate

    I have read somewhere that FB only decides it should record a period as your night's sleep if you have been still/ lying down for three hours. Recently I went to bed at 11.30 pm but got up for a QHR session from 1.15 -1.40 am. FB recorded that I had not gone to bed at all until 1.45.

    It has also happened that I got up around 3 or 4 am for 5 or 10 minutes but then went back to bed and fell asleep again and it recorded a 3 hour spell of sleep for the previous night ( because the sleep period started before midnight) but only counted the second later period for time asleep/ awake purposes for the night as a whole

    I think we expect too much of a device which, after all, is only sensing our movement and heart rate. That is why I find FB data useful but prefer to use it as one element of a sleep dairy that I enter manually rather than allow it to be the only source of information on my sleep for Sleepio

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