(2) باب رُؤْيَا الصَّالِحِينَ
Narrated Anas bin Malik:
Allah's Messenger (ﷺ) said, "A good dream (that comes true) of a righteous man is one of forty-six parts of prophetism."
Reference: Sahih al-Bukhari 6983
In-book reference: Book 91, Hadith 2
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 9, Book 87, Hadith 112