Sahih Muslim
The Book of Vision (Kitab Al-Ruya)
Book Number: 029 / Hadith Number: 5615
This hadith has been reported on the authority of Zuhri with the same chain of transmitters, but it does not contain the words:" I felt disturbed because of that," and there is an addition of these words in the hadith transmitted on the authority of Yunus:" Then spit thrice on the left side when you get up from sleep."