Toward integrated sleep health: multimodal AI in Hang Hao Meng agent.

This Perspective introduces 'Hang Hao Meng', an AI-powered sleep health expert agent for comprehensive patient management. Leveraging large language models, multimodal analytics, and a digital-human interface, it delivers end-to-end services from screening to personalized treatment. Deployed at scale, the agent has provided triage for over four million individuals and completed 90,000+ screenings, demonstrating a scalable model for enhancing accessibility and personalized care in sleep medicine.