Sense 2 does not process data

[Ggeorgesc]

My Fitbit sense does not process the sleep data for two days. The message is No sleep data for this period. The week before it happened also for 2 days.
Does anyone experienced anything like this? Thank you 

---

In fact it does not process any kind of data. No activity data can be found for steps/ distance, active zones, etc. Only Calories is displayed but the value shows is a calculation that disregards any physical activity. 

Can you please let me know whether anyone else experience this issue? Thank you 

Moderator edit: updated subject for clarity

[Arcalion]

The same thing has happened to me since last night. No data of any kind in the app. I did find that my iPhone no longer can detect my Sense via Bluetooth. But nothing I haven't changed anything so I don't know why this is suddenly happening.

---

OK, I was able to fix this by restarting my Sense (holding down the side button until it restarts). I did not want to do this as I was concerned I would lose data, but it seems I can still see last night's sleep data, so everything seems ok now.

[ManuFitbit]

Welcome to the forums @Ggeorgesc @Arcalion. 

Thank you for providing the information regarding this difficulty that you are experiencing with your devices. Thanks @Arcalion for letting us know that you solved it through the restart. 

Please @Ggeorgesc follow the advice provided by our friend and in addition confirm that your device is syncing correctly with the Fitbit app: How do Fitbit devices sync their data?

If you believe that this difficulty is regarding to a syncing issue: Why won't my Fitbit device sync?