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 How to resolve missing steps from Apple Health Why doesn't Fitbit intraday sum equal to the sum of the all values in day? 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? Comments 0 comments Article is closed for comments.