John Hernandez

7PUBLICATIONS
47CO-AUTHORS
Natural language processingData and information privacyDeep learningElectronic device and system performance evaluation, testing and simulationBehavioural epidemiology
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Publications (7)

|Oct 22, 2026
The anatomy of a personal health agent.

|Oct 13, 2025
Smartphone use in a large US adult population: Temporal associations between objective measures of usage and mental well-being.

Ari Winbush, Daniel McDuff, John Hernandez

|Aug 14, 2025
A personal health large language model for sleep and fitness coaching.

Justin Khasentino, Anastasiya Belyaeva, Xin Liu

|Jul 28, 2025
Capturing Real-World Habitual Sleep Patterns With a Novel User-Centric Algorithm to Preprocess Fitbit Data in the All of Us Research Program: Retrospective Observational Longitudinal Study.

Hiral Master, Jeffrey Annis, Jack H Ching

|Jul 19, 2024
Sleep patterns and risk of chronic disease as measured by long-term monitoring with commercial wearable devices in the All of Us Research Program.

Neil S Zheng, Jeffrey Annis, Hiral Master

|May 14, 2024
The Google Health Digital Well-Being Study: Protocol for a Digital Device Use and Well-Being Study.

Daniel McDuff, Andrew Barakat, Ari Winbush

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Frequent Collaborators

3 joint publications

Logan Douglas Schneider

3 joint publications

Daniel McDuff

3 joint publications

Allen Jiang

2 joint publications

Yun Liu