‏الصيام : Hadeeth No:2421 'Umar (Allaah be pleased with him) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: When the night approaches and the day retreates and the sun sinks down, then the observer of the fast should break it. Ibn Numair made no mention of the word" then"....

‏الصلاة : Hadeeth No:1595 'A'isha reported that the Messenger of Allaah (sallAllaahu alayhi wa sallam) died (in this very state) that he observed most of his (Nafl) prayers in a sitting position....