‏الصلاة : Hadeeth No:2071 'A'isha reported Allaah's Prophet (sallAllaahu alayhi wa sallam) saying: If a company of Muslims numbering one hundred pray over a dead person, all of them interceding for him, their intercession for him will be accepted....

‏الزهد والرقائق‏ : Hadeeth No:7131 The son of Abu Said al-Khudri reported on the authority of his father that Allaah's Messenger (sallAllaahu alayhi wa sallam) said: When one of you yawns, he should try to restrain it with cue help of his hand since it is the Satan that enters therein....