{
  "schemaVersion": 1,
  "capturedAt": "2026-10-27T11:18:42.870Z",
  "sha256": "b5b20640298ee9c5a154eb04945f2cb5db5b3ecefcf700dc4f98aa81ae83963c",
  "work": {
    "id": "TAP-RDN-0025",
    "type": "RDN",
    "kind": "note",
    "key": "depner-2019",
    "locale": "en",
    "path": "/research/depner-2019/",
    "title": "TAP reading note: Ad libitum Weekend Recovery Sleep Fails to Prevent Metabolic Dysregulation during a Repeating Pattern of Insufficient Sleep and Weekend Recovery Sleep",
    "description": "Weekend recovery sleep did not prevent metabolic disruption when participants returned to insufficient sleep. The result concerns a repeating short-sleep pattern, rather than every possible benefit of sleeping longer.",
    "rights": "© The Allostasis Project. All rights reserved. Reproduction or adaptation requires separate permission, subject to applicable legal exceptions.",
    "version": "0.2",
    "updatedAt": "2026-10-27",
    "editorial": {
      "contentType": "evidence-review",
      "reviewState": "draft",
      "reviewedAt": null,
      "reviewedVersion": null,
      "updatedAt": "2026-10-27",
      "version": "0.2",
      "author": null,
      "reviewer": null,
      "workflow": {
        "ai": {
          "usage": "used",
          "system": "TAP Research Agent / OpenAI Codex",
          "scope": "Bilingual editorial revision and consolidation of scope statements based on the published text.",
          "version": "0.2",
          "tasks": [
            "Bilingual editing",
            "Scope and citation-position comparison"
          ]
        }
      },
      "revisions": [
        {
          "date": "2026-10-27",
          "version": "0.2",
          "description": "Reframed scope in terms of study design, population, outcomes and observation window."
        }
      ]
    },
    "original": {
      "id": "depner-2019",
      "title": "Ad libitum Weekend Recovery Sleep Fails to Prevent Metabolic Dysregulation during a Repeating Pattern of Insufficient Sleep and Weekend Recovery Sleep",
      "authors": "Christopher M. Depner · Edward L. Melanson · Robert H. Eckel · Janet K. Snell-Bergeon · Leigh Perreault · Bryan C. Bergman · Janine A. Higgins · Molly K. Guerin · Ellen R. Stothard · Sarah J. Morton · Kenneth P. Wright",
      "journal": "Current Biology",
      "year": "2019",
      "url": "https://doi.org/10.1016/j.cub.2019.01.069",
      "doi": "10.1016/j.cub.2019.01.069",
      "pmid": "30827911"
    },
    "references": [
      {
        "id": "depner-2019",
        "title": "Ad libitum Weekend Recovery Sleep Fails to Prevent Metabolic Dysregulation during a Repeating Pattern of Insufficient Sleep and Weekend Recovery Sleep",
        "authors": "Christopher M. Depner · Edward L. Melanson · Robert H. Eckel · Janet K. Snell-Bergeon · Leigh Perreault · Bryan C. Bergman · Janine A. Higgins · Molly K. Guerin · Ellen R. Stothard · Sarah J. Morton · Kenneth P. Wright",
        "journal": "Current Biology",
        "year": "2019",
        "url": "https://doi.org/10.1016/j.cub.2019.01.069",
        "doi": "10.1016/j.cub.2019.01.069",
        "pmid": "30827911"
      }
    ],
    "sections": [
      {
        "id": "finding",
        "title": "What the study found",
        "paragraphs": [
          "Weekend recovery sleep did not prevent metabolic disruption when participants returned to insufficient sleep. The result concerns a repeating short-sleep pattern, rather than every possible benefit of sleeping longer."
        ]
      },
      {
        "id": "limits",
        "title": "Scope & limitations",
        "paragraphs": [
          "36 healthy young adults: eight controls, 14 with sustained sleep restriction and 14 with weekend recovery followed by renewed restriction.",
          "Laboratory groups were small and exposure periods short. The study examined a specific schedule of repeated sleep restriction and weekend recovery; these conditions matter when considering everyday settings or longer-term outcomes."
        ]
      },
      {
        "id": "sample",
        "title": "Population & sample",
        "paragraphs": [
          "36 healthy young adults: eight controls, 14 with sustained sleep restriction and 14 with weekend recovery followed by renewed restriction."
        ]
      },
      {
        "id": "exposure",
        "title": "Exposure or intervention",
        "paragraphs": [
          "Five-hour sleep opportunities, with or without two days of unrestricted weekend sleep, compared with nine-hour opportunities."
        ]
      },
      {
        "id": "outcomes",
        "title": "Outcomes",
        "paragraphs": [
          "Sleep, circadian timing, food intake, body weight and insulin sensitivity."
        ]
      },
      {
        "id": "duration",
        "title": "Time frame",
        "paragraphs": [
          "Nine-night intervention patterns; the weekend-recovery group returned to restriction for the final two nights."
        ]
      },
      {
        "id": "funding",
        "title": "Research funding",
        "paragraphs": [
          "Not yet checked against the full publication."
        ]
      },
      {
        "id": "conflicts",
        "title": "Research conflicts of interest",
        "paragraphs": [
          "Not yet checked against the full publication."
        ]
      },
      {
        "id": "basis",
        "title": "Reading scope",
        "paragraphs": [
          "Based on the original publication’s abstract and bibliographic record. This is a selected reading note, not a systematic appraisal."
        ]
      }
    ]
  }
}