
Sleep is an essential component of health, and its timing, duration, and quality are critical determinants of a person's overall health. Fitbit devices can help you track your sleep and better understand your sleep patterns. Fitbit's sleep feature estimates sleep stages by using a combination of movement and heart rate patterns. Fitbit devices that track heart rate (except Charge HR and Surge) also track sleep stages. The Fitbit Versa 2, 3, and 4 are compatible with sleep tracking. To use the sleep tracking feature, you must wear your Fitbit device during sleep, and your sleep must be at least 3 hours long.
| Characteristics | Values |
|---|---|
| Devices | Fitbit Sense, Versa 3, Versa 2, Charge 5, Luxe, Inspire 2, Inspire 3, Google Pixel Watch series, Sense 2, Versa 4, Charge 6 |
| Requirements | Fitbit Premium subscription |
| Sleep tracking | Detects sleep automatically when worn to bed; should be worn snugly on the wrist |
| Sleep data | Total sleep duration, sleep score, sleep stages, sleep patterns, sleep profile, sleep animal, sleep log, sleep cycles, sleep quality, restoration, blood oxygen saturation |
| Additional features | Smart Wake, Snore and Noise Report, monthly sleep analysis, sleep reminders, silent alarm |
| Troubleshooting | Syncing issues, reinstalling the app, resetting to factory settings |
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What You'll Learn

Syncing your Fitbit Versa 2 with the Fitbit app
To sync your Fitbit Versa 2 with the Fitbit app, you must first ensure that your Fitbit device and smartphone have a stable internet connection. The Fitbit app is available for free on the App Store, Google Play, and Microsoft Store.
Next, open the Fitbit app on your mobile device. The app icon looks like a blue background with white dots on it and can be found on your home screen, in the app drawer, or by searching for it. Once the app is open, tap your account picture in the top left corner of the screen to see a list of all your connected devices. Tap "Set up a Device" next to the plus sign under the "Devices" header. Then, tap "Versa 2 and Set Up". An icon of the associated Fitbit will be displayed beside the model name, and the button to continue setup will be at the bottom of your screen.
After reading Fitbit's privacy policy, tap "Accept and Next" and follow the instructions to charge your Versa 2 while you proceed with the setup. Your phone will then search for your Versa via Bluetooth. To turn on Bluetooth on an Android phone, swipe down from the top of your screen to access the Quick Menu and tap the Bluetooth icon. For an iPhone, tap the Bluetooth icon from the Control Center. Enter the digits displayed on the Versa 2 screen into the app, then tap "Next". Once your phone finds your Versa 2 via Bluetooth, you will see a series of numbers displayed on your watch's face. Enter these numbers into your app to confirm that your phone has located the correct Bluetooth device.
Finally, tap to select your Wi-Fi network and enter your password. Your watch needs Wi-Fi to be able to install any updates before you can finish the setup. Once the updates are finished installing, your watch is connected to your phone. You can also connect your Fitbit to Alexa and many more services.
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Editing and deleting sleep logs
To edit or delete a sleep log in the Fitbit app, first, go to the Sleep Duration tile on the Today tab. Then, tap the three dots or the menu icon in the top right corner and select "Edit Sleep". Swipe up to check your sleep sessions, then tap the session you want to edit. For devices that track sleep stages, extending your sleep time may create gaps in the sleep stage data.
To delete a sleep log, tap the log you want to delete, then tap the three dots icon or the menu icon. Choose "Delete Sleep Log" or "Delete Log".
You can also edit or delete other types of data in the Fitbit app, such as exercise or activity data, weight logs, and Active Zone Minutes. To edit or delete exercise or activity data, go to the Today tab and tap the Exercise days tile. Tap the exercise you want to edit or delete, then tap the pencil icon to edit or the trash icon or three dots icon to delete. To delete Active Zone Minutes, go to the Today tab and tap the Energy burned tile. To edit or delete a weight log, go to the Today tab and tap the Weight tile. Tap on a weight entry, then tap the pencil icon to edit or the trash can icon to delete.
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Using the Smart Wake feature
The Smart Wake feature on your Fitbit Versa monitors your sleep stages and wakes you during a light sleep stage, within a window of up to 30 minutes before your set alarm time. Here's how you can use this feature:
Firstly, ensure your Fitbit Versa is synced with the Fitbit app on your phone. This will ensure that all data is recorded and displayed accurately. Check your dashboard settings and enable the Sleep tile if it hasn't been already. You can also customise your dashboard to show the sleep-related information that is most important to you.
Next, swipe left on your tracker to access the Alarm screen. If you haven't already, set an alarm and then scroll down to Smart Wake. Toggle the slider, adjust the time range, and set your noise sensitivity. If you have a Fitbit Versa 3 and a Premium account, your device can monitor noise in your bedroom, including snoring. This feature can be useful for health-related discussions with your doctor.
The Smart Wake feature is a great tool to help you wake up feeling more rested, as it ensures you are awoken during an optimal stage of sleep. It is important to note that the sleep data provided by Fitbit is not intended to diagnose or treat any medical conditions and should not be relied upon for medical purposes. Consult your healthcare professional for any health-related questions or concerns.
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Understanding your Sleep Score
The restoration component is particularly insightful as it is based on your sleeping and resting heart rates and how much you toss and turn during the night. A higher restoration score is achieved when your sleeping heart rate is lower than your daytime resting heart rate. The Fitbit app provides a detailed breakdown of your restoration score with a Fitbit Premium subscription.
Your Fitbit device estimates your sleep stages by using movement and heart rate patterns. It assumes you are asleep when there is no movement for about an hour. Additional data, such as the length of time spent on movements indicative of sleep, like rolling over, help confirm your sleep status. During sleep, your device tracks beat-to-beat changes in your heart rate, known as heart rate variability (HRV), which fluctuates as you transition between light sleep, deep sleep, and REM sleep.
To improve your Sleep Score, focus on your overall sleep habits, heart health, and activity levels. This includes maintaining a consistent sleep schedule, exercising earlier in the day, and meeting the CDC's recommended 150 active minutes per week. Fitbit Premium also offers guided programs developed with sleep experts to help you build better daytime and nighttime habits for more restful sleep.
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Comparing your sleep data to your 30-day average
The Fitbit Versa watch can be used to track your sleep cycle. The watch infers when you're sleeping and what stage of sleep you're in by using an accelerometer to measure bodily accelerations of the wrist, coupled with a technique called optical photoplethysmography (PPG), which measures blood flow based on how green light from an LED on the back of the watch is reflected by the body.
To compare your sleep data to your 30-day average, you can use the 30-day average tab in the Fitbit app. This allows you to see how your sleep patterns may have varied over time. To do this, go to the Today tab in the Fitbit app and tap the Sleep duration tile. Press and hold your finger on the Sleep timeline graph. Move your finger left or right to check the time spent in each sleep stage. Tap Benchmark to show the percentage of time spent in each sleep stage.
You can also use the Snore and Noise detection feature to get a summary of your nightly results in a report. This feature is available on the Fitbit Sense and Fitbit Versa 3. The microphone on the device tracks the overall noise level of your surroundings and checks for snoring throughout the night. To turn on this feature, open the Fitbit app and go to the Today tab. Tap the Sleep duration tile and then tap the menu icon at the top right. From there, you can turn on Snore & Noise detection and follow the on-screen instructions.
Additionally, the Smart Wake feature on the Fitbit monitors your sleep stages and wakes you during a light sleep stage. This feature is available on the Fitbit Sense and Versa 3 with a Premium account. The Smart Wake feature attempts to find the best time to wake you within a 30-minute window before your set alarm time. This can help increase your chances of feeling refreshed when you wake up.
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Frequently asked questions
To track your sleep cycle with your Fitbit Versa, you must wear your device during sleep. Your Fitbit Versa will automatically detect your sleep when you wear your device to bed. It is recommended that you wear your device in a snug wristband during sleep. You can also enable the Sleep tile in your dashboard settings in the Fitbit app.
Your Fitbit Versa uses your movement and heart-rate patterns to track your sleep cycle. When you don't move for about an hour, your tracker or watch assumes you're asleep. Additional data such as the length of time when your movements indicate sleep behavior (like rolling over) help confirm your sleep status.
From the Today tab in the Fitbit app, tap the Sleep Duration tile. Press and hold your finger on the Sleep timeline graph. Move your finger left or right to check the time spent in each sleep stage.
The Smart Wake feature monitors your sleep stages and wakes you during a light sleep stage, in a window of up to 30 minutes leading to the time you've set for the alarm.
To get a Sleep Animal profile, you need to wear your Fitbit Versa to bed for 14 nights in a given month.










































