‏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....

‏الصلاة : Hadeeth No:1453 Abu Qatada reported that when the Messenger of Allaah (sallAllaahu alayhi wa sallam) was in a journey he got down for rest at night, and he used to lie down on his right side, and when he lay down for rest before the dawn, he used to stretch his forearm and place his head over his palm....