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Apple Watch : Scientific Sleep Test

The Quantified Scientist · demo · Watch on YouTube

Fitness, sleep & longevityConsumer devices & gadgets

What it is

The Quantified Scientist, a sleep researcher, tests Apple Watch sleep tracking against a research-grade Dreem 2 headband, comparing accuracy for sleep stages, deep and REM sleep. The review is data-focused rather than feature-focused.

Why Hacker News recommends it

HN commenters cite it as evidence that Apple Watch is the most accurate consumer sleep tracker and trust the channel for its scientific approach.

  • 3 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2022, last 2024

What HN commenters said

  1. “He’s a professional scientist specialising in sleep research and the reviews concentrate on data/accuracy only.”

    Scientist's data-focused review of tracker accuracy.

    tiew9Vii, 2022-09 · Recommendation · in “Apple Introduces Apple Watch Ultra”

  2. “heart rate is pretty much on par with chest strap and sleep tracking is also far better than anything he tested”

    Accuracy testing of Apple Watch heart rate and sleep tracking.

    zx10rse, 2022-09 · Recommendation · in “Analysis of Apple Watch running data”

  3. “Apple Watch sleep test by a postdoctoral researcher.”

    CharlesW, 2024-01 · Recommendation · in “Accuracy of Commercial Sleep-Trackers Compared to Research-Grade Tools”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: apple watch, sleep tracking, wearables, dreem headband, device review

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