‏الصيام : Hadeeth No:2590 'Abdullah b. 'Amr b. al-'As (Allaah be pleased with them) reported that the Messenger of Allaah (sallAllaahu alayhi wa sallam) said: 'Abdullah, don't be like so and so who observed prayer during the whole night and then abandoned it (altogether)....

‏الطهارة : Hadeeth No:470 'Abdullah b. Amr reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) lagged behind us on a journey. We travelled (back) and be took him; and then came the time of the afternoon prayer, and as we were going to wipe our feet he (the Prophet) called out: Woe to the heels because of Hell-fi...