You have the possibility to edit the sleep data tracked by your Withings Pulse in the Withings App. To do so, perform the following steps:
- Open the Withings App.
- Select a sleep item in your Timeline.
- Tap on the three dots at the top right of the screen.
- Select Edit my night.
- Tap on Fell asleep at and/or Woke up at to update your sleep data.
- Tap Save to confirm.