2-125 Al-Khalil ibn Ahmad narrated that Abul Abbas al-Suraj quoted Abdullah ibn Umar, on the authority of Vaki’a ibn al-Jar’rah, on the authority of Sufyan, on the authority of Mansoor (ibn al-Mua’tamar ibn Abdullah ibn Rabi’ah al-Kufy), on the authority of Khasamat (ibn Abdul Rahman), on the authority of Abdullah (ibn Mas’ood) that God’s Prophet (MGB) said, “
It is not proper to stay awake after the night prayer except for two people: one who wants to pray, and one who is traveling.”