Narrated Ibn `Umar.: Whenever the Prophet recited the Sura which contained the prostration of recitation he used to prostrate and then, we, too, would prostrate and some of us did not find a place for prostration.
Hadith Referenceصحيح البخاري / كتاب سجود القرآن / 1079
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة