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Chronotype Sleep and Activity Patterns Measured with Consumer Wearable Rings

Consumer smart rings yield granular, naturalistic sleep and activity data across a full year. This concept covers how morning, evening, and neither chronotype groups differ in longitudinal sleep and activity, how daylight-saving-time transitions affect them differently, and how a mixed-effects model links perceived stress to sleep timing and chronotype.

Dr. Theopolis Text

Tracking behavioural differences across chronotypes: A case study in Finland using Oura rings

Consumer smart rings (Oura) provide granular, naturalistic measurements of sleep and activity, offering a low-cost alternative to polysomnography and actigraphy. In a one-year study of nineteen Finni…