This $350 Oura Ring 4 Tracks Your Sleep. Is It Worth the Splurge?
https://www.nytimes.com/2024/10/17/technology/personaltech/oura-ring-sleep-tracker.html
The $350 Oura Ring 4 looks sleek and cool, and it may be useful for data-hungry health enthusiasts. But it failed this sleep-deprived parent.