Community Moderator Alumni are previous members of the Moderation Team, which ensures conversations are friendly, factual, and on-topic. Moderators are here to answer questions, escalate bugs, and make sure your voice is heard by the larger Fitbit team. Learn more
Hello @Noels57, thanks for joining the Fitbit Community, it's great to have you on board. 
When was the last time you synced your tracker before the app asked you to log in again? Have you checked the information in your online Dashboard?
Please keep in mind that the information synced in your account gets stored in our servers and it's not deleted by any means. If the information is available in your online Dashboard, please try the following in the app:
- Force-close the Fitbit app by double tapping the home button on your phone and swiping up the app. If this doesn't seem to work:
- Log out from the app again, restart your phone and log back in.
Additionally, please remember that Fitbit trackers can only store detailed information for 7 days, if you haven't synced in more than 7 days the information might not be available.
I hope this can be helpful, give it a try and keep me posted in case you need anything else.
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Community Moderator Alumni are previous members of the Moderation Team, which ensures conversations are friendly, factual, and on-topic. Moderators are here to answer questions, escalate bugs, and make sure your voice is heard by the larger Fitbit team. Learn more
Hello @Noels57, I hope you're doing well, thanks for taking the time to reply. I'm really glad your issue has now been resolved.
In case you have some spare time, I would like to invite you to visit our Discussions board where you will find great tips and encouragement from other members and if there's anything else I can do for you, please keep me posted.
Happy stepping! 
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