{
  "type": "ranking",
  "url": "https://karelbusta.dev/data/sleep/sleep-by-age",
  "title": "How much do Americans sleep at each age?",
  "description": "Average daily sleep by age from the American Time Use Survey, 2021–2025. Teens sleep 9.9 hours, people in their early 40s the least at 8.65.",
  "headline": "Americans sleep least in their early 40s (8.65 h a day) and most as teenagers (9.89 h).",
  "published": "2026-10-14",
  "rankedBy": {
    "column": "hours",
    "order": "none",
    "unit": "h/day"
  },
  "columns": [
    {
      "key": "age_group",
      "label": "Age",
      "type": "string"
    },
    {
      "key": "hours",
      "label": "Sleep, all days",
      "type": "number",
      "unit": "h/day"
    },
    {
      "description": "Monday–Friday diary days excluding BLS holidays",
      "key": "hours_weekday",
      "label": "Sleep, weekdays",
      "type": "number",
      "unit": "h/day"
    },
    {
      "description": "Saturday, Sunday and BLS holidays",
      "key": "hours_weekend",
      "label": "Sleep, weekends & holidays",
      "type": "number",
      "unit": "h/day"
    },
    {
      "key": "n",
      "label": "Respondents",
      "type": "number"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "age_group": "15–19",
      "hours": 9.89,
      "hours_weekday": 9.49,
      "hours_weekend": 10.84,
      "n": 1301
    },
    {
      "rank": 2,
      "age_group": "20–24",
      "hours": 9.57,
      "hours_weekday": 9.27,
      "hours_weekend": 10.27,
      "n": 1499
    },
    {
      "rank": 3,
      "age_group": "25–29",
      "hours": 9.23,
      "hours_weekday": 8.88,
      "hours_weekend": 10.02,
      "n": 2248
    },
    {
      "rank": 4,
      "age_group": "30–34",
      "hours": 8.84,
      "hours_weekday": 8.52,
      "hours_weekend": 9.58,
      "n": 3037
    },
    {
      "rank": 5,
      "age_group": "35–39",
      "hours": 8.75,
      "hours_weekday": 8.44,
      "hours_weekend": 9.5,
      "n": 3361
    },
    {
      "rank": 6,
      "age_group": "40–44",
      "hours": 8.65,
      "hours_weekday": 8.31,
      "hours_weekend": 9.45,
      "n": 3069
    },
    {
      "rank": 7,
      "age_group": "45–49",
      "hours": 8.75,
      "hours_weekday": 8.37,
      "hours_weekend": 9.63,
      "n": 2657
    },
    {
      "rank": 8,
      "age_group": "50–54",
      "hours": 8.68,
      "hours_weekday": 8.36,
      "hours_weekend": 9.44,
      "n": 2722
    },
    {
      "rank": 9,
      "age_group": "55–59",
      "hours": 8.81,
      "hours_weekday": 8.53,
      "hours_weekend": 9.45,
      "n": 2972
    },
    {
      "rank": 10,
      "age_group": "60–64",
      "hours": 8.83,
      "hours_weekday": 8.65,
      "hours_weekend": 9.24,
      "n": 3642
    },
    {
      "rank": 11,
      "age_group": "65–69",
      "hours": 8.95,
      "hours_weekday": 8.84,
      "hours_weekend": 9.22,
      "n": 3992
    },
    {
      "rank": 12,
      "age_group": "70–74",
      "hours": 8.97,
      "hours_weekday": 8.92,
      "hours_weekend": 9.09,
      "n": 3592
    },
    {
      "rank": 13,
      "age_group": "75–79",
      "hours": 9.14,
      "hours_weekday": 9.12,
      "hours_weekend": 9.16,
      "n": 2704
    },
    {
      "rank": 14,
      "age_group": "80–84",
      "hours": 9.25,
      "hours_weekday": 9.27,
      "hours_weekend": 9.2,
      "n": 1682
    },
    {
      "rank": 15,
      "age_group": "85+",
      "hours": 9.64,
      "hours_weekday": 9.72,
      "hours_weekend": 9.44,
      "n": 1108
    }
  ],
  "dataset": {
    "title": "When and how long Americans sleep (American Time Use Survey)",
    "url": "https://karelbusta.dev/data/sleep/datasets/atus-sleep",
    "source": {
      "citation": "U.S. Bureau of Labor Statistics. American Time Use Survey 2003–2025 Multi-Year Microdata Files (Activity summary file atussum-0325, Activity file atusact-0325). Released June 2026. https://www.bls.gov/tus/data/datafiles-0325.htm",
      "publisher": "U.S. Bureau of Labor Statistics (data collected by the U.S. Census Bureau)",
      "sampleSize": "258,954 respondents (one diary day each), 2003–2025; 39,586 respondents in the pooled 2021–2025 tables",
      "title": "American Time Use Survey 2003–2025, U.S. Bureau of Labor Statistics",
      "url": "https://www.bls.gov/tus/data/datafiles-0325.htm",
      "year": 2026
    }
  }
}