‏الجهاد والسير‏ : Hadeeth No:4334 Ibn Aun said: I wrote to Nafi' asking him about Nafl (spoils of war) and be wrote to me that Ibn 'Umar was among that expedition. (The rest of the hadith is the same.)...

‏الصلاة : Hadeeth No:1690 Abu Huraira reported Allaah's Prophet (sallAllaahu alayhi wa sallam) as saying When any one of you gets up at night, he should begin the prayer with two short rak'ahs....