Sa’ad ibn Abdullah, from Abu Abdullah, from Muhammad ibn Abdullah al-Razi, from al-Hasan ibn Ali ibn Abi Hamzah, from Rifaah ibn Musa, from Abu Abdillah عليه السلام, peace be upon him, from his father عليه السلام, peace be upon him, who said: Imam عليه السلام said: “The Messenger of Allah سبحانه وتعالى, may Allah سبحانه وتعالى bless him and his family, said, ‘Assist one another, by eating the pre-dawn meal (al-suhur), in fasting the day, and by sleeping at the midday nap (al-qaylulah), in standing during the night.’”