Musannaf Ibn Abi Shaybah 32546 — What I have memorized on the jurists

It is narrated from Abdullah bin Shaddad that while praying he heard some people relating a dream. When he had finished the prayer he asked them about that dream, and they concealed it. He said: "Take note: the interpretation of the dream of Yusuf (peace be upon him) came to pass after forty years."