YOU SAID:
My sister has no power in the realm of sleep
INTO JAPANESE
私の妹は睡眠の領域では力がありません
BACK INTO ENGLISH
My sister has no power in the area of sleep
INTO JAPANESE
私の妹は睡眠の領域では力がありません
BACK INTO ENGLISH
My sister has no power in the area of sleep
That didn't even make that much sense in English.