Wearing an Oura Ring alongside a Stelo continuous glucose monitor provides a clearer view of how sleep, stress, exercise, and meals affect blood glucose. Stelo is a nonprescription CGM that pairs with a phone and delivers glucose readings every 15 minutes, with each sensor lasting 15 days. The sensors are relatively costly, prompting some users to wear them intermittently to learn patterns and reduce expense and tracking-related anxiety. Single fasting glucose values capture only a moment in time, while A1C tests average blood sugar over about 90 days for a broader assessment.
Unlike its prescription-only sibling, the G7, Stelo doesn't require a prescription, and it's not intended for people on insulin. It's about the size of a quarter with tiny prongs that go just under the skin and are essentially painless. Once applied, Stelo pairs with your phone and delivers glucose readings every 15 minutes. That's less frequent than prescription CGMs, but more than enough to show how food, activity, sleep and stress affect your glucose.
I don't have diabetes, but my late father did, so I pay attention to my glucose. But as I've since learned, a single fasting glucose value is just a snapshot in time, Taken a few minutes earlier or later, the number might be different. That's why doctors often follow up with an A1C test, which averages blood sugar over about 90 days.
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