From the Today or Sleep History page, tap the edit button on the sleep card of the sleep you wish to edit.
Set the start and end dates and times for the sleep by tapping the four available buttons.
Tap on the
Savebutton.Your edited sleep will be visible on the Today and Sleep History pages.
Important Considerations:
A sleep cannot be edited to include sleep in the future.
A sleep cannot be edited to be longer than 14 hours in duration.
A sleep cannot be edited to be shorter than 15 minutes in duration.
A sleep edit that overlaps existing sleep will display a warning, but is allowed.