Sleep study tracks 1,500 adults for decades to uncover hidden health risks

NCT ID NCT00005557

First seen Nov 01, 2025 · Last updated May 15, 2026 · Updated 28 times

Summary

This study follows 1,545 adults over many years to learn how sleep-disordered breathing and other sleep problems develop and affect health. Researchers use overnight sleep tests and questionnaires to track sleep patterns, along with medical exams to measure heart, brain, and mood outcomes. The goal is to understand the causes and long-term effects of sleep issues, not to test a new treatment.

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Contacts and locations

Locations

  • University of Wisconsin Hospital and Clinics

    Madison, Wisconsin, 53705, United States

Conditions

Explore the condition pages connected to this study.