WSJ reports on which sleep data to trust from Oura and other wearables
Health trackers might produce unreliable numbers, but doctors say they're still useful for spotting personal trends, The Wall Street Journal reports.
TLDR
The Wall Street Journal examines which sleep data to trust from Oura and other wearables. It reports that health trackers might produce unreliable numbers, while doctors still see value in using them to spot personal trends.
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