‏الحيض : Hadeeth No:721 Ibn Umar reported: A person happened to pass by the Messenger of Allaah (sallAllaahu alayhi wa sallam) when he was making water and saluted him, but he did not respond to his salutation....

‏الصيام : Hadeeth No:2418 A hadith like this has been transmitted by Sahl b. Sa'd....