I found 4 tech gadgets that actually helped me sleep better (and ditch the alarm)

The article reviews the Oura Ring 4 and its app, highlighting how the ring monitors vitals (heart rate, heart rate variability, body temperature, respiratory rate) and delivers Sleep, Readiness, and Activity scores. The author describes behavioral benefits—such as reduced alcohol before bed and improved bedtime habits—and notes the ring's ability to signal illness a day or two in advance.