"Over 900 million adults globally are estimated to have obstructive sleep apnea (OSA). In the United States, more than 30 million adults are affected, yet 80-90% remain undiagnosed."
Larry Magid: Smart ring tracks health, fitness data with long battery life
The Ringconn Gen 2 offers a no-subscription model, 10 to 12 days battery life, and accurate sleep metrics, making it a favorable alternative to smartwatches.