Health care has a data problem. Hospitals, clinics and wearable devices generate oceans of information, including sleep signals, medical scans and electronic health records. But much of it sits fragmented, siloed and underused. The result is a paradox. Clinicians are awash in data, yet often starved for clear, actionable insight. A 2025 NIH summary on sleep and circadian health co-authored by Bing Si flagged a growing disconnect between unprecedented volumes of data and the lack of analytical to