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  "path": "/2026/03/11/why-brain-wont-let-you-sleep-first-night/",
  "publishedAt": "2026-03-12T03:31:24.000Z",
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  "textContent": "STORY AT-A-GLANCE Your brain uses a dedicated neural circuit to keep you more alert the first night in a new environment, which explains why you experience lighter, fragmented sleep even when you feel exhausted Specific neurons release a chemical messenger that signals other brain regions to maintain wakefulness until your surroundings are judged safe, meaning […]",
  "title": "Why Your Brain Won’t Let You Sleep the First Night Somewhere New"
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