It is narrated from Abi Maalik AI-Ashja'ee (Sa'eed bin Taariq bin Ash-yam) Radiyallahu 'Anhu that Rasulullah Sallallahu 'Alayhi Wasallam said:
"The one who sees me in ones dream, has seen me" (ID)
App reference (ID): Book 56, Hadith 3 (ID)
English reference (ID): Book 55, Hadith 391 (ID)
Arabic reference (ID): Book 56, Hadith 408 (ID)