Versa 4 no sleep score or timeline

[Jasper209]

It was working fine until today. 

Moderator edit: clarified subject.

[ManuFitbit]

Hi @Jasper209. Welcome to the community forums. 

Thank you for providing the details about your Versa 4. 

There are a few scenarios where you might see your sleep pattern (which shows your time asleep, restless, and awake) instead of sleep stages:

• If you slept in a position that prevented your device from getting a consistent heart-rate reading or wore it too loosely. For best results, wear your device higher on your wrist (about 2-3 finger widths above your wrist bone). The band should feel secure but not too tight.
• If you used the Begin Sleep Now option in the Fitbit app (instead of simply wearing your device to bed). For more information on automatic sleep tracking, see How do I track my sleep with my Fitbit device?
• If you slept for less than 3 hours.
• If your device’s battery is critically low.

For better results please try to let the device detect that you're awake or asleep by itself rather than doing it manually and make sure to keep the Fitbit app and the devices' firmware updated to the latest version available. 

The Versa 4 may need some days to collect some information (particularly regarding to heart rate) and provide sleep score, sleep stages and other data. Make sure that you've also tried the restart procedure described here and check if you continue to experience the same problem.In case the problem is related to the Fitbit app, please try the following as well: 

• Log out from the app.
• Clear Cache and Cookies for the Fitbit app in your phone's settings.
• Restart your phone.
• Log back in to check if you're able to see your data properly..

Regarding the timeline, please make sure that you are having a correct heart rate reading: What factors can affect my heart-rate reading on my Fitbit device?