To change the time on a Fitbit, you'll need to adjust the time zone setting for your device on the Fitbit mobile app or ...
This article explains how to manually sync your Fitbit with Android or iPhone using the Fitbit app. While data automatically syncs to the Fitbit throughout the day, you may want to perform a manual ...
Most Fitbits track your sleep automatically with a combination of movement and heart-rate monitoring. You can also check your sleep stats later.