Sleep, Steps, and Screens: Between- and within-person effects of digital markers of daily life behaviors on smartphone-based assessments of cognitive functioning in depression

Key Points

• Cognitive functioning improves with regular engagement with digital markers, enhancing mood and daily life.
• Participants showed an increase in cognitive scores of 15% when daily behaviors were monitored closely.
• Observational analysis based on smartphone tracking of sleep, steps, and screen use was used across diverse daily activities.
• Findings highlight the need for integrating technology in mental health assessments, potentially improving treatment outcomes.