What's sleep score in the Fitbit app?

See your nightly sleep score in the Fitbit app for better insight into your sleep quality.

To see additional insights into your sleep data, including analysis of your sleeping heart rate, purchase a Fitbit Premium subscription. For more information, see What should I know about Fitbit Premium? Download your complete Fitbit data at any time. Note that the data is raw data without further analysis. For more information, see How do I export my Fitbit account data?