Which wellness sources support sleep stages? Human API October 06, 2020 18:45 Updated Follow At this time, Human API supports sleep states (e.g. REM, regular sleep, etc) from the following wellness sources: Fitbit Garmin Withings See the following document for additional information. Related articles What wellness sources offer time series activity data? 403 error when trying to connect to Google Fit As a user, how can I connect my Apple Health data? What can I do with reports and the reports endpoint? Why doesn't Fitbit intraday sum equal to the sum of the all values in day? Comments 0 comments Article is closed for comments.