‏الصلاة : Hadeeth No:1274 Abu Bakr b Abu Shaiban and Yahya b Abu Bukair both of them narrated this hadith with the same chain of transmitters....

‏الصلاة : Hadeeth No:1703 Ibn 'Umar reported Allaah's Prophet (sallAllaahu alayhi wa sallam) as saying: Observe some of your prayers in your houses and do not make them graves....