SELECT
    SLEEP_TIME_DTL.AGE_CODE AS '年齢コード',
    AGE_GRP.AGE_NAME AS '年齢階層名',
    SUM(SP_TIME_5) AS '5時間未満',
    SUM(SP_TIME_6) AS '5時間以上6時間未満',
    SUM(SP_TIME_7) AS '6時間以上7時間未満',
    SUM(SP_TIME_8) AS '7時間以上8時間未満',
    SUM(SP_TIME_9) AS '8時間以上9時間未満',
    SUM(SP_TIME_9OVER) AS '9時間以上'
FROM
    SLEEP_TIME_DTL
    INNER JOIN AGE_GRP ON SLEEP_TIME_DTL.AGE_CODE = AGE_GRP.AGE_CODE
WHERE
    PF_CODE = (
    SELECT
        PF_CODE
    FROM
        PREFECTURE
    WHERE
        PF_NAME IN ('北海道', '青森県', '岩手県', '宮城県', '福島県'))
GROUP BY
    SLEEP_TIME_DTL.AGE_CODE