The Prophet ﷺ said: The gates of heaven are opened for four rak'ahs containing no taslim (salutation) before the noon prayer. Abu Dawud said: Yahya b. Sa'id al-Qattan said: If I were to narrate any tradition from 'Ubaidah, I would narrate this tradition. Abu Dawud said: 'Ubaidah is weak. Abu Dawud said: The name of the narrator Ibn Minjab is Sahm.
عَنِ النَّبِيِّ ﷺ قَالَ أَرْبَعٌ قَبْلَ الظُّهْرِ لَيْسَ فِيهِنَّ تَسْلِيمٌ تُفْتَحُ لَهُنَّ أَبْوَابُ السَّمَاءِ