Anas bin malik reported: Allah's Messenger (Peace Be Upon Him) said: The Prophets are alive in their graves, praying to their Lord. [Bayhaqi, Hayat ul-Anbiyah, Page No. 003] - (1) FN: Imam Suyuti said in Jami al-Saghir Abu Ya'la reported Anas bin Malik Narrated with 'marfu' Many Muhadith said it is sound. (saihih)