Does the statement: "The prayer of anyone in a night in which poetry is recited will not be accepted" refer to the Maghrib and Isha prayers, or to the night vigil (Qiyam al-Layl)? And what is the explanation of the hadith: "Do not name your boy Yasar, nor Rabah, nor Najeh, nor Aflah, for you will say 'Is he there?' and he will say 'No.' Indeed, they are four, so do not add to them?"

The Hadith, "Whoever recites a line of poetry after the last 'Isha prayer, his prayer for that night will not be accepted," is very weak and therefore cannot be used as evidence. As for the Hadith, "Do not name your boy Yasār, nor Rabāh, nor Najīh, nor Aflah," it is authentic. The reason for the prohibition is the optimism associated with these names, out of fear that what the optimistic person intended might turn into its opposite if asked about the presence of someone bearing these names and the answer is "no," which would lead to pessimism and ill thoughts about Allah.