{
    "action": "tool_call",
    "reasoning": "The earlier draft claims the sleep_debt_category bands overlap, but I have no tool results in evidence to back that. I'll compute the hours range and row count per category directly from the raw table before answering.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT sleep_debt_category, COUNT(*) AS n, MIN(total_sleep_hours) AS min_hours, MAX(total_sleep_hours) AS max_hours, AVG(total_sleep_hours) AS avg_hours FROM raw.bedtime_screentime_sleep_debt GROUP BY sleep_debt_category ORDER BY min_hours, max_hours",
        "purpose": "Check whether sleep_debt_category bands on total_sleep_hours overlap",
        "source": "raw"
    }
}