![The Oura Ring Is a $300 Sleep Tracker That Provides Tons of Data. But Is It Worth It? | Reviews by Wirecutter The Oura Ring Is a $300 Sleep Tracker That Provides Tons of Data. But Is It Worth It? | Reviews by Wirecutter](https://cdn.thewirecutter.com/wp-content/media/2020/09/oura-lowres-1.jpg?auto=webp&quality=60&width=570)
The Oura Ring Is a $300 Sleep Tracker That Provides Tons of Data. But Is It Worth It? | Reviews by Wirecutter
![ŌURA on Twitter: ""Know your numbers....yes...YOUR numbers. You need a self-basis of comparison. Comparing your HRV numbers to others is essentially worthless, unless you're examining normative standards for certain health outcome measures. ŌURA on Twitter: ""Know your numbers....yes...YOUR numbers. You need a self-basis of comparison. Comparing your HRV numbers to others is essentially worthless, unless you're examining normative standards for certain health outcome measures.](https://pbs.twimg.com/media/EW24pcQXQAAmMGE.jpg:large)
ŌURA on Twitter: ""Know your numbers....yes...YOUR numbers. You need a self-basis of comparison. Comparing your HRV numbers to others is essentially worthless, unless you're examining normative standards for certain health outcome measures.
![The Oura Ring Is a $300 Sleep Tracker That Provides Tons of Data. But Is It Worth It? | Reviews by Wirecutter The Oura Ring Is a $300 Sleep Tracker That Provides Tons of Data. But Is It Worth It? | Reviews by Wirecutter](https://cdn.thewirecutter.com/wp-content/media/2021/07/oura-2048px-2x1-0459.jpg?auto=webp&quality=75&crop=2:1&width=1024)