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  "path": "/releases/2026/03/260330210905.htm",
  "publishedAt": "2026-03-30T21:39:42.000Z",
  "site": "https://www.sciencedaily.com",
  "textContent": "Deep sleep does far more than rest the body — it activates a powerful brain-driven system that controls growth hormone, fueling muscle and bone strength, metabolism, and even mental performance. Scientists have now mapped the neural circuits behind this process, uncovering a delicate feedback loop in which sleep boosts growth hormone, and that same hormone helps regulate wakefulness.",
  "title": "Scientists discover sleep switch that builds muscle, burns fat, and boosts brainpower"
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