Can a simple questionnaire spot hidden sleep apnea in millions?
Knowledge-focused
Recruiting now
This observational study aims to measure how common obstructive sleep apnea (OSA) is in community populations, patients with conditions like hypertension or diabetes, and special groups in China. Participants will fill out a screening questionnaire, and some will undergo sleep mo…
Sponsor: Kang Wu • Aim: Knowledge-focused
Last updated Aug 01, 2026 00:00 UTC