20-5 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Ali ibn Ibrahim ibn Hashim quoted his father, on the authority of Muhammad ibn Abi Umayr, on the authority of Hammad ibn Uthman, on the authority of Al-Fuzayl ibn Yasar, “On the 21st and 23rd nights of the month of Ramazan, Abi Ja’far al-Baqir (MGB) said supplications from the beginning of the night until midnight, and then started to pray from midnight.”