‏الطهارة : Hadeeth No:515 'A'isha reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) loved to start from the right-hand side in his every act i. e. in wearing shoes, in combing (his hair) and in performing ablution....

‏الصلاة : Hadeeth No:1098 Zaid b. Arqam reported: We used to talk while engaged in prayer and a person talked with a companion on his side in prayer till (this verse) was revealed:" And stand before Allaah in devout obedience" (ii, 238) and we were commanded to observe silence (in prayer) and were forbidden to speak....