Sleep data disappeared using Inspire 3

[AnnFitz]

There was sleep data for the past 3 or so days; I know because I look at it everyday. In fact I had to add sleep today because Fitbit missed some of it. When I opened the app just now, it says “no sleep data” for the past 3 days! It disappeared!  

Moderator edit: edited title to clarity.

[ccorb5]

I gave no solution but same has happened for me . 

[mcland]

I had not used mine for a week or two as I could not find my charger, but now that it is back, the sleep schedule shows but it’s weird, like I sleep from 4am to 2pm, which  is wrong.

I also not walked much yesterday but I have zero steps registered and it’s already synced 

[Kim-J]

I also have no sleep data. When I tried to manually log my sleep the app wouldn’t save it because “a sleep log already exists”.