‏الصلاة : Hadeeth No:1113 Abu Huraira reported from the Prophet of Allaah (sallAllaahu alayhi wa sallam) that he forbade keeping one's hand on one's waist while praying, and in the narration of Abu Bakr (the words are): The Messenger of Allaah (sallAllaahu alayhi wa sallam) forbade to do so....

‏الطهارة : Hadeeth No:491 Huddaifa reported: Whenever the Messenger of Allaah (sallAllaahu alayhi wa sallam) got up for Tahajjud prayer, he cleansed his mouth with the tooth-stick....