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How To Track Sleep In Fitbit Charge 2

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How Do I See My Sleep Log Data

Fitbit Charge 2 Sleep, Heart Rate and Fitness Tracking Wristband
  • In the Fitbit app, tap the Today tab , then tap the sleep tile .
  • From the Fitbit app dashboard, tap the sleep tile.
  • Tap Today or another day to see details.
  • Swipe up from the clock face to see Fitbit Today.
  • Check the sleep tile to see your sleep information. You may have to swipe up to find it. If you don’t see the sleep tile, tap Settings at the bottom of Fitbit Today and make sure you turned on the sleep tile.
  • Swipe left on the sleep tile to see your patterns or time spent in each sleep stage, and your sleep history for the past week.
  • Evaluation Of Sleep Parameters Estimated By Fitbit Models Versus Actigraphy

    No published study assessed performance of sleep-staging Fitbit models relative to actigraphy in estimating sleep parameters. In contrast, 7 studies investigated the accuracy of nonsleep-staging Fitbit models relative to actigraphy 1 of them involved two different actigraph devices , and another 1 included two different samples: good sleepers and poor sleepers . Among the total of seven potential comparisons, Fitbit significantly overestimated TST in five of them by 24.1-74 minutes, while in two comparisons , it was nonsignificantly overestimated. In a total of four comparisons , Fitbit significantly overestimated SE by 1.1%-7.0%. Among a total of five comparisons, Fitbit significantly underestimated WASO in four of them by 16-32 minutes, while in one , it was nonsignificantly underestimated. Only 1 study evaluated SOL, finding an 11.5-minute significant overestimation by Fitbit.

    Accuracy Sensitivity And Specificity In Detecting Sleep Epochs By Fitbit Versus Polysomnography

    Nonsleep-Staging Fitbit Models

    A total of 7 studies involved epoch-by-epoch investigation of nonsleep-staging Fitbit models with reference to PSG in differentiating between sleep and wake state . Out of these 7 studies, 1 consisted of two different samples, thereby increasing the total number of evaluations to 8. Across these trials, Fitbit versus PSG analyses identified sleep epochs with accuracy values between 0.81 and 0.93, sensitivity values between 0.87 and 0.99, and specificity values between 0.10 and 0.52.

    Sleep-Staging Fitbit Models

    Sleep Epoch Identification

    A total of 3 studies evaluated the performance of sleep-staging Fitbit models with PSG as reference in identifying sleep epochs through EBE analyses . A total of 1 study included two different samples, thereby increasing the number of possible comparisons to four. Relative to PSG, detection of sleep epochs in three possible comparisons revealed sensitivity values between 0.95 and 0.96 detection of sleep epochs in four comparisons revealed specificity values between 0.58 and 0.69 and detection of sleep epochs, assessed in only a single study , revealed an accuracy of 0.90.

    Sleep-Stage Identification

    A total of 3 studies appraised performance of sleep-staging Fitbit models in identifying sleep stages by means of EBE analysis . Relative to PSG, accuracy varied between 0.69 and 0.81 in detecting light sleep , between 0.36 and 0.89 in detecting deep sleep , and between 0.62 and 0.89 in detecting REM sleep.

    Also Check: Best Garmin For Sleep Tracking

    Where To See Your Readings

    To see your sleep results, log in to the Fitbit app on your iOS or Android device and sync your Fitbit. The app that tracks your sleep is the same one you use to see your steps. You’ll see a brief rundown of your results in the sleep tile.

    You need to have slept at least three hours for Sleep Stages to work. It also doesn’t work if you wear the tracker loose on your wrist or when it’s running low on battery power.

    To see your readings, tap the sleep time number to go to the sleep dashboard. From there, you can see each stage of sleep represented in a graph form that breaks down how much time you spent in each sleep stage and how close you were to your overall sleep goal for the day.

    Scroll down to see your sleep results for the day and your average amount of sleep for the week. Tap any sleep section to bring up an hour-by-hour explanation of how you slept and which sleep stage you were in at a given time. The 30-day average and benchmarks show how your sleep compares with other people your gender and age.

    Learn How To Track Your Sleep Using Your Fitbit

    How to Track Something Other Than Steps With Your Fitbit
    • Harvard University
    • The University of North Carolina at Greensboro
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    You’ll find several devices for tracking sleep on the market. Among them are fitness trackers, including many Fitbit models. Sleep Stages, a Fitbit feature, is designed to help you get your best sleep.

    Many Fitbit trackers tell you how long you are asleep and the type of sleep you get while under the sheets. Curious how it works? Here’s a rundown on the feature and an explanation of the different sleep stages your Fitbit tracks.

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    What Is Fitbit Sleep Tracker

    Fitbit sleep tracker is a feature is designed to give a detailed look into your sleeping patterns and help you adopt healthier habits. For this feature to work, you have to wear your Fitbit tracker to sleep. Once you wake up, youll find your sleep duration, awake time, and the time you spent on each sleep stage: light, REM, and deep.

    How To Check Your Fitbit Sleep Statistics

    After you wake in the morning, you can review the information Fitbit has recorded about your sleep.

    Start the Fitbit app on your phone and wait for it to sync. You can see your overall sleep time on the Today page. This is the time Fitbit believes you were asleep the previous evening, not including any time you were restless or woke up during the night.

    Tap the sleep entry to go to the detailed Sleep page. At the top of the page, you’ll see a graph that shows how you slept for the last week.

    Swipe the graph to see three tabs: how long you slept each night, your sleep schedule , and a summary of your sleep stages.

    Below the graph is a list of your individual daily sleep cycles. It displays much more detail about your sleep stages throughout the night.

    To see this in more detail, tap the day you want to view. On the detailed page, you can also compare your actual sleep to a “benchmark” of how the average person of your age and sex sleeps.

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    What To Do When Your Fitbit Stops Tracking Sleep

    Jun 14, 2020 | Other, Troubleshooting

    Fitbits are great smartwatches with a variety of capabilities. However, some users have reported that their Fitbit is inconsistently tracking their sleep or not tracking their sleep at all anymore. To help, weve researched what to do if youre Fitbit isnt tracking your sleep.

    If a Fitbit stops automatically tracking sleep, restart it using the specific directions for that Fitbit model. If the Fitbit is still not tracking sleep automatically, users can adjust the devices sleep sensitivity level or start and stop the sleep tracker manually using the Fitbit app.

    In this article, well cover a few ways you can troubleshoot your Fitbit if it stops recording your sleep.

    What Should I Know About Fitbit Sleep Stages

    Fitbit: How To Use Sleep Tools

    If you use a Fitbit device with heart-rate tracking to track your sleep, you can see a record of the sleep stages you cycle through at night. This article answers frequently asked questions about sleep stages.

    While youre asleep each night, your body typically goes through several sleep cycles that last on average 90 minutes. In each cycle you alternate between two types of sleep:

    Light Sleep and Deep SleepWith less brain activity than REM sleep, non-rapid eye movement includes the stages of light sleep and deep sleep. Periods of deep sleep are typically longer early in the night.

    Rapid Eye Movement SleepThe stage associated with vivid dreams, REM sleep periods are typically longer as the night goes on .

    During a sleep cycle, its most common to go from light sleep to deep sleep, back to light sleep, and then into REM sleep. Then the cycle generally repeats, but sleep patterns vary naturally.

    Sleep stages are traditionally measured in a lab using an electroencephalogram to detect brain activity along with other systems to monitor eye and muscle activity. While this method is the gold standard for measuring sleep stages , your device can estimate your sleep stages in a more comfortable, convenient way.

    Fitbits sleep researchers and the National Sleep Foundation describe the following sleep stages. The names of the stages are what weve chosen to use in your Fitbit sleep log.

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    Understanding How Fitbit Detects Your Sleep

    Fitbit recognizes that you are sleeping only when your body is resting without any significant movements for an hour.

    Once your body passes that hour, your Fitbit begins gathering data about the quality of your sleep.

    For the first few hours , your Fitbit categorizes your sleep into three categories: restless, awake, or asleep.

    Once you pass the 3-hour threshold, it starts recording different types of sleepcalled your sleep stages. These stages include light, deep, and REM

    Your Fitbit app then uses those sleep stages to calculate a sleep score.

    Not all Fitbits support sleep staging

    Only Fitbits with heart-rate sensors can record your sleep stages.

    Additionally, you must wear these Fitbits on your wrist/arm and set them to wrist mode to collect your sleep stage information.

    However, both the Fitbit Charge HR and Fitbit Surge are exceptions and cant record sleep stages, even though they include heart rate sensors.

    If your Fitbit does not have a heart rate sensor or is the Charge HR and Surge, it can only record when you are asleep, restless, or awake.

    Sleep Stages: What Are They

    Your body goes through several sleep stages each night while you sleep. Each one lasts about 90 minutes before you cycle through to the next one. During each stage of the sleep cycle you alternate between deep sleep and light sleep.

    When you arent in Rapid Eye Movement sleep, youll alternate between the two Non-Rapid Eye Movement stages. You spend more time in deep sleep during the beginning of the night.

    When you enter into REM sleep, you experience vivid dreams . The amount of time you spend in REM sleep typically increases as the night goes on. Earlier in the night your REM stages are brief, but when you get closer to waking up youll spend a lot more time in the vivid dreaming stage of sleep.

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    What To Do If The Fitbit Is Not Tracking Sleep

    Time needed: 15 minutes.

    These are the troubleshooting steps to utilize if the device on your wrist is not doing its job properly. Sometimes you might wake up in the morning and find that only half of your sleep session was recorded. Or the tracker might say you only had 2 hours of kip time when in reality youve had a good 8 hours. Or perhaps your sleep stages are not showing. Something has gone wrong and the Fitbit has not done what it is supposed to. It makes that nights data pretty useless.Incomplete data is a more common problem than not tracking sleep entirely, and it can affect any Fitbit. It doesnt matter if its the recent crop such as Sense, Versa 3 or an older device. It happens on occasion. A good example is the Fitbit Inspire 2. At the start of this year many users were complaining that the device would not track sleep at all. We wrote a piece at the time on how to resolve. This was a major issue at the time.

  • Reboot your wearable

    First off, you should always try turning the wearable on and off i.e. a soft restart. That reboots your device but keeps all you data on it. Think of it like switching a desktop computer on and off. This simple thing can resolve many problems and is something definitely worth trying out.If youre not sure how to do this, check out our guide on how to reset your Fitbit fitness tracker or smartwatch.

  • How Does My Fitbit Device Automatically Detect Sleep

    Fitbit Charge HR review,the best fitness tracker??

    Most Fitbit trackers have built-in sleep monitors that function automatically. Fitbit has several ways to determine when one is asleep. First, if you dont move in an hour, the tracker assumes youre sleeping, but it has to confirm by monitoring if there are any movements.

    Secondly, if your device has a built-in heart rate monitor, it combines movement data and heart rate to create an accurate pattern of your sleep cycle. Fitbit trackers monitor your general sleep and sleep stages. Your tracker gives you the total sleep cycle containing deep, light, and REM sleep stages. Some Fitbits determine sleep stages using the heart rate viability , which varies between deep, light, and REM sleep.

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    What To Check When You Wake Up

    David Nield

    When you rise bright and refreshed in the morning , your Fitbit will register that youre awake and stop tracking your sleep. On the apps main screen, you can scroll down to see how much sleep you got overnight, together with a breakdown of the different stagesREM, light, and deep. Tap this to see more details.

    Youll then get a full chart showing what times you were in which stages of sleep, helping you spot particular spells of restlessness. You can also look back on your 30-day averages, as well as the common ranges for people who match your gender and age. If your smartwatch can measure blood oxygen saturation, youll see how this fluctuated over the course of the night too.

    The Fitbit rounds up several metricsheart rate, movement, stages of sleepinto one overall sleep score for the night. It essentially rates the quality of your sleep when all of its measurements have been taken into consideration. Your sleep score will be broken down into different sections, including restorationa measure of how recharged your body should be the next day.

    Fitbit Inspire 2 Review: Comfort And Fit

    Everything about the Fitbit Inspire 2 is incredibly comfortable. We’ve tested many different smartwatches and fitness trackers and the Fitbit Inspire 2 is the kind you almost forget you’re wearing. Its plastic strap has plenty of rungs to choose from so you can easily find a fit that works for you.

    More importantly, it’s all lightweight and everything associated with the Fitbit Inspire 2 has curved edges so you don’t have to worry about anything digging in.

    It’s ideally suited for wearing all day and night which is the point, of course. Its water resistance means you won’t have to worry about taking it off for a shower either so again, you’ll forget all about it. The extended battery life is the main advantage that comes from the lack of GPS so if you’re anything like us, you may be prone to forgetting where you put the proprietary charger because it doesn’t need charging often.

    Recommended Reading: Vivofit 3 Sleep Tracking

    Charge 2 Not Tracking Sleep

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    12-20-201603:18 – last edited on 09-09-202010:13 by MatthewFitbit

      12-20-201603:18 – last edited on 09-09-202010:13 by MatthewFitbit

        My Charge 2 has not tracked my sleep for the past two nights?

        12-20-201605:51 – edited 12-22-201604:03

          Fitbit Community Moderators Learn more

          12-20-201605:51 – edited 12-22-201604:03

            I’m glad you jumped here ! Try doing the following:

            • Make sure that your Charge 2 is updated with the new firmware version
            • Log out of your Fitbit App
            • Force quit the App
            • Shut off your phone and turn it on after 1-2 minutes
            • Turn on the Bluetooth
            • Log back into your Fitbit App

            Test your tracker tonight to see how it goes.

            Lastly, since your tracker didn’t record your sleep and you remeber the start and end times for the past two nights, log them by doing the following:

            • From the Fitbit app dashboard, tap the sleep tile. This is the tile that says “How did you sleep?”
            • Tap the + icon in the top right corner and tap Add Sleep Log.
            • Enter the data on “Sleep Start” and “Sleep End” and then, “Save“.

            I am not able to update manually, my firmware is 22.44.12, which makes think it is way out of date. I did restart my tracker. I believe the issue is it’s not detecting my heart rate and it is set to auto.

            It didn’t track my 2 hours of excerside today either

            12-22-201604:09 – edited 12-22-201604:09

              Fitbit Community Moderators Learn more

              12-22-201604:09 – edited 12-22-201604:09

                How To Improve Your Sleep Habits

                Fitbit Charge 4 Sleep Mode (How to Set Up)

                If youre not impressed by your sleep habits and want to improve, the obvious applies. One of the best ways to improve this is by adopting a regular sleep schedule and having at least 7 hours every night. It is also advisable to avoid afternoon naps, exercise regularly, and have a relaxing bedtime routine. Additionally, Fitbit suggests that exercising earlier in the day has a positive effect on your sleep.

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                How To Make Fitbit Track Sleeping Work

                Surge/Charge HR/Force and Charge

                Surge helps track sleep automatically. All you need to do is to wear your device to bed. You will be able to view your stats when the tracker syncs with your account.

                Flex

                After getting into bed, tap you Flex for about 2 seconds. The tracker will vibrate and display 2 slowly dimming lights as an indicator for sleep mode. Goal progress is not displayed while the device is in this mode.

                After you wake up, tap your Flex rapidly for about 2 seconds. The device will exit sleep mode. When you do this, the Flex will flash and vibrate 3 times and then display a spinning light pattern. You can view your stats after Flex has synced with your Fitbit account.

                One/Ultra

                To activate sleep tracking, hold the button on the tracker for several seconds. You will notice the stopwatch begin to count or the icons start to blink. This is an indication that the device is in sleep mode. After you wake up, hold the trackers button for about 2 seconds to exit sleep mode.

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