Coway adds sleep tracking to three mattress models
Source publication date

Summary
Coway announced three mattresses equipped with BEREX Sleep Sync. The company says built-in contactless sensors measure signals during sleep and provide analytical reports and personalized sleep guidance.
Editorial view
Editorial view: The launch links mattress sales with an ongoing sleep-data service.
Evidence and limitations
This is a company product announcement, not evidence of diagnostic accuracy or treatment efficacy.