The Talmud's dream encyclopedia in Berakhot 57b extends far beyond animals and actions. It maps the entire biblical library onto the landscape of sleep.
Rabbi Yohanan taught that if a verse falls into your mouth the moment you wake up, it is a form of minor prophecy—a whisper from the divine filtered through the subconscious.
Seeing biblical kings in a dream carries specific meanings. David means piety. Solomon means wisdom. Ahab means calamity. The pattern holds for the books of the Prophets: the book of Kings points to greatness, Ezekiel to wisdom (because it describes the Divine Chariot), Isaiah to consolation, and Jeremiah to calamity.
The Writings follow the same logic. Psalms signals piety, Proverbs signals wisdom, Job signals calamity. Among the smaller books, Song of Songs in a dream means piety—because it depicts God's love for Israel. Ecclesiastes means wisdom. Lamentations means calamity. And the scroll of Esther means a miracle is on its way.
Even individual Sages appear as dream symbols. Rabbi Yehuda HaNasi means wisdom. Rabbi Elazar ben Azarya means wealth (he was famously rich). Rabbi Yishmael ben Elisha means calamity (he was one of the Ten Martyrs killed by Rome). Among scholars who never received the title "Rabbi": Ben Azzai means piety, Ben Zoma means wisdom, and Aher—Elisha ben Abuya, who abandoned the faith—means calamity.
The system is exhaustive, covering people, books, animals, utensils, fruits, and rivers. Every element of the visible world has a dream-counterpart. As God told the prophets: "If there be a prophet among you, I the Lord will make Myself known to him in a vision; I will speak with him in a dream" (Numbers 12:6). To sleep, in the Talmud's imagination, is to enter a world where all of Scripture is alive and speaking directly to you.