Ibn Babawaih states in Thawab Al-A'amal Book: Mansour reported from Imam Abou Abdellah (Pbut) that he said: "He who recites Al-Muzzammil Chapter in the night prayer or at the end of night, shall have The Day, The Night and Al-Muzzammil Chapter as his witnesses. Allah allows him to live a good life and die in good conditions."
Al-Tabarsi states in Majma' Al-Bayan Book: The Messenger of Allah (Pbuhp) said: "Allah erases all the misfortunes of Donia and Hereafter from he who recites Al-Muzzammil Chapter."
Khawas Al-Quran Book: The Messenger of Allah (Pbuhp) said: "He who recites this chapter is as if he free salves in the cause of Allah in the count of Jin and demons. Allah also erases all the misfortunes of Donia and the Hereafter for him. He who recites it constantly and then sees the Messenger of Allah (Pbuhp) in his dreams can ask him for whatever he pleases."
Khawas Al-Quran Book: The Messenger of Allah (Pbuhp) said: "He who recites it constantly shall see the prophet in his dreams. Allah also erases all the misfortunes of Donia and the Hereafter for him."
Khawas Al-Quran Book: Imam Sadiq (Pbuh) said: "He who recites it constantly shall see the Messenger of Allah (Pbuhp) in his dreams. He can ask him for whatever he pleases of good and Allah will give it to him. He who recites it on Friday eve, Allah forgives one hundred sin for him and write one hundred righteous deeds multiplied by ten similar to it as Allah said."