Ibn al-Sunni's seminal work, *Amal al-Yawm wa al-Laylah* (Deeds of Day and Night), is an indispensable compilation of Prophetic supplications (du'a) and remembrances (adhkar). This profound book, authored by the renowned Imam Abu Bakr Ahmad ibn Muhammad ibn Ishaq al-Sunni, meticulously gathers authentic narrations detailing the specific prayers, invocations, and daily practices of the Prophet Muhammad (peace be upon him). It serves as a comprehensive guide for Muslims seeking to integrate the Sunnah into every aspect of their daily lives, from waking and eating to traveling and sleeping, fostering a deeper spiritual connection and adherence to Prophetic traditions. A must-read for practical Islamic living.