Oura Heath’s C.E.O. Knows the Secret to Better Sleep

Oura Health makes a pricey smart ring that busy executives, celebrities and others use to track health measures like their sleep patterns. It expects $1 billion in sales this year.

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This $350 Oura Ring 4 Tracks Your Sleep. Is It Worth the Splurge?

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.

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