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Sleep tracking apps promise better rest through data. But what happens when the pursuit of a perfect score keeps you up at night? For a growing number of people, that Apple Watch, Oura Ring, or whatever device meant to improve your sleep quality may be doing just the opposite. Here’s what to know about how sleep scores really work, and what you can do to make the most of your sleep tracker.
The benefits (and accuracy) of sleep tracking
Sleep is foundational to almost every dimension of health, including “improved mood, heart health, and cognitive function,” according to Dr. Rebecca Robbins, Assistant Professor in the Division of Sleep Medicine at Harvard Medical School and an Associate Sleep Scientist at Brigham and Women’s Hospital. On the flip side, chronic sleep deprivation is linked to increased risk of cardiovascular disease, metabolic dysfunction, impaired immune response, and
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