Smart displays, smartwatches, and smart rings all offer different ways of tracking sleep.By far the most thorough data comes from smart rings such as the Oura Ring 4.Smart rings allow for hassle-free, long-term sleep tracking, giving users the essential data they need to spot early signs of health issues.A ring lasts a week on a single charge, while a smartwatch must be charged multiple times a week.If you're an Android user, RingConn Gen 2 smart ring, Pixel Watch 3, or Galaxy Watch 7 are excellent alternatives.The Nest Hub 2nd Gen, Apple Watch Series 10, and Samsung Galaxy Ring offer relatively convenient ways to track sleep.While Nest Hub 2nd Gen's sleep data is less detailed than Oura Ring 4, they are highly convenientApple Health provides insightful information on a day-to-day basis, but it fails to provide detailed weekly or bi-weekly informationHeart attack survivor, Nirave Gondhia, finds Oura Ring 4 to be his preferred method for trackig sleep health.Oura Ring 4 delivers precision insights into sleep factors like blood oxygen, efficiency, and detailed heart rate tracking.