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Tracking Long-Term Sleep and Activity Differences across Chronotypes: A Case Study in Finland Using Oura Rings

Chandreyee Roy, Kunal Bhattacharya, Kimmo Kaski

2026, 1(1): 7. doi: 10.53941/jsp.2026.100007

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In a Society of Strangers, Kin Is Still Key: Identified Family Relations in Large-Scale Mobile Phone Data

Tamás Dávid-Barrett, Sebastian Diaz, Carlos Rodriguez-Sickert, Isabel Behncke, Anna Rotkirch, Loreto Bravo, János Kertész

2026, 1(1): 5. doi: 10.53941/jsp.2026.100005

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Dynamics of Social Balance with Ternary Interpersonal Relationships

Hirotaka Goto, Masashi Shiraishi, Hiraku Nishimori, Joshua B. Plotkin

2026, 1(1): 1. doi: 10.53941/jsp.2026.100001

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