Sayyiduna Itban bin Malik (may Allah be pleased with him) narrates: The Noble Prophet (peace and blessings be upon him) performed voluntary prayers in his house at the time of Duha, people stood behind him and they also performed the prayer. Chapter: It is permissible to do a little action during prayer, and which prayer is obligatory to make up for the one who becomes unconscious, and the time for performing voluntary prayers.