There are many misconceptions about the reliability of sleep wearable data and for good reason—not only can devices vary considerably in terms of their ability to correctly approximate sleep versus wake and time spent in various sleep stages, but many modern devices score these parameters using proprietary algorithms that researchers, clinicians, and consumers do not have access to.

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Skepticism and Limitations

  • Michael A. Grandner,
  • Kathryn E. R. Kennedy

摘要

There are many misconceptions about the reliability of sleep wearable data and for good reason—not only can devices vary considerably in terms of their ability to correctly approximate sleep versus wake and time spent in various sleep stages, but many modern devices score these parameters using proprietary algorithms that researchers, clinicians, and consumers do not have access to.