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  "path": "/2026/05/28/apple-watch-sleep-data-helps-harvard-researchers-study-menopause-transition/",
  "publishedAt": "2026-05-28T22:43:28.000Z",
  "site": "https://9to5mac.com",
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  "textContent": "Researchers at Harvard have published the results of a study that analyzed more than 94,000 nights of Apple Watch sleep data to better understand how sleep patterns change during perimenopause. Here are the details.\n\nmore…",
  "title": "Apple Watch sleep data helps Harvard researchers study menopause transition"
}