‏الصلاة : Hadeeth No:1497 Ibn 'Umar reported that the Messenger of Allaah (sallAllaahu alayhi wa sallam) used to say Nafl prayer on (the back of) his camel in whatever direction it took him....

‏الصلاة : Hadeeth No:1817 'A'isha reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) did not abandon at all observing two rak'ahs after the 'Asr in my house....