6-32 (The compiler of the book narrated) that his father - may God be pleased with him - in what he wrote to me emphasized that attentiveness at the beginning of six prayers is recommendable. They are the first unit of the night prayer; one unit of Al-Vatr prayer ; the first unit of the noon’s supererogatory prayer; the first unit of the Ihram prayer; the first unit of the evening supererogatory prayers; and the first unit of the obligatory prayers.”