All products featured on WIRED are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. It's a good time to be Oura, the world's most prominent smart ring company . The company debuted the Oura Ring 4 in late 2024 with an updated design, slimmer sensors, and software updates. It was an unmitigated success--out of 5.5 million Oura rings sold since its inception in 2013, nearly half of them were sold in the past year.

Either you've been getting late-night visits from Freddy Krueger, or the warm milk and magnesium aren't cutting it lately. Many people are turning to ring sleep trackers to help them get better shuteye, and it might be time to give in to the trend yourself. This one by Go2sleep is less than half the price of the famous Oura Ring. And its AI-powered algorithms help monitor more than just your heart rate as you sleep. Slip the Go2sleep over your finger, drift off into your mediocre-quality slumber, and the ring will monitor you all throughout the night.