Fitbit Zip Ionic User Manual page 37

Each tile can be swiped left or right to view the complete set of stats.
To reorder the tiles, press and hold a row, then drag it up or down to change its
position.
Find your complete history and other information automatically detected by your
watch, such as sleep stages, on your Fitbit dashboard.
All Ionic stats except sleep reset at midnight to begin a new day.
37