Which wellness sources support sleep stages? Human API June 03, 2020 21:44 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 Which wellness sources does Human API support? How often is Wellness data synced? How do different wellness sources capture energy consumption and expenditure (calories, exercise, and basal metabolic rate) What are the Activity types for wellness sources What are the most common coding systems observed via Human API? Comments 0 comments Article is closed for comments.