{
    "action": "tool_call",
    "reasoning": "My previous reply was not valid JSON and quoted numbers I cannot see in the evidence. I will re-ground the sleep debt category distribution with a query before answering.",
    "tool": "query_sql",
    "args": {
        "sql": "SELECT sleep_debt_category, COUNT(*) AS n, ROUND(100.0 * COUNT(*) / SUM(COUNT(*)) OVER (), 1) AS pct, ROUND(AVG(total_sleep_hours), 2) AS avg_sleep_hours, ROUND(AVG(morning_alarm_snoozes), 2) AS avg_snoozes, ROUND(AVG(next_day_fatigue_score), 2) AS avg_fatigue FROM raw.bedtime_screentime_sleep_debt GROUP BY sleep_debt_category ORDER BY n DESC",
        "purpose": "Verify sleep debt category counts and typical sleep, snooze and fatigue values per category",
        "source": "raw"
    }
}