Narrated Ibn `Umar: The Prophet used to offer (Nawafil) prayers on his Rahila (mount) facing its direction by signals, but not the compulsory prayer. He also used to pray witr on his (mount) Rahila.
Hadith Referenceصحيح البخاري / كتاب الوتر / 1000
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة