Reference: Siyar A’laam an-Nubalaa v14 p255
said:
During [every] day and night, Ibn ‘Ataa would [only] sleep for two hours.
Abu 'Abdullaah
Graduate of the Islaamic University of Madeenah, having completed the Arabic Language programme at the Institute of Arabic Language before progressing to the Faculty of Sharee'ah, from which he graduated in 2004. He currently resides in Birmingham, UK.