‏الصيام : Hadeeth No:2592 Abdullah b. Amr (Allaah be pleased with both of them) reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) said to me: 'Abdullah b. Amr, you fast continuously and stand in prayer for the whole of night. If you do like that, your eyes would be highly strained and would sink and lose sight...

‏الزهد والرقائق‏ : Hadeeth No:7147 Abu Sa'id Khudri reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) said: Do not take down anything from me, and he who took down anything from me except the Qur'an, he should efface that and narrate from me, for there is no harm in it and he who attributed any falsehood to me-and Hamma...