Why were my sleep stages recalculated?-Charge 3

[CanadaB]

As soon as I woke up in the middle of the night I looked at my sleep log and how much deep sleep I had so far. I went back to sleep and when I woke up in the morning my fitbit said I didn't have any more deep sleep periods from when I woke up in the middle of the night until the morning but my time in deep sleep had increased somehow. I looked again a bit later and my deep sleep time had increased again. What is the explanation for this?

Moderator edit: updated subject for clarity

[EdsonFitbit]

Thank you for visiting the Fitbit Community, @CanadaB.

Thanks for the information provided.

Our team has recently released a new version of the Fitbit app (3.45 iOS and 3.45.1 Android). For instructions on how to check your current version and update, please visit this article and open the menu "How do I update the Fitbit app?".

If you have any question, please let us know.

[CanadaB]

It's updated and did the same thing last night. Woke up at 5 am and it said I only had 30 mins of deep sleep.Went back to sleep a  couple hours and when I woke up it said I had no new periods of deep sleep but my deep sleep was now at 1 hr and 30 minutes? Surely someone must know what's going on here?

[EdsonFitbit]

Thanks for your response, @CanadaB.

In this case, I would recommend restarting your Fitbit Charge 3 by following these instructions.

In addition, you can set up your Tracker as a replacement device:

1. Tap the Today tab , and tap your profile picture.
2. Tap Set Up a Device.
3. Choose your device and follow the on-screen instructions to continue.

Whether none of the above works, the best way to get help for this problem is to chat with us online or give us a call. Please click here to get connected.

Feel free to contact us at any time.