Random EMA captures ambient light intensity alongside subjective alertness and chronotype ratings. Continuous background GPS and HealthKit sleep data reveal how light environment and sleep patterns interact. For chronobiology and sleep medicine research.
Surveys
3
Notification types
Sensors
None configuredThis preview demonstrates how questions and sensors are presented. It is not an exact reproduction of the mobile app's design. For the final appearance and user experience, please test the survey on a real device.
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