'Ubaidullah was asked about Al Mahassab. 'Ubaidullah narrated: Nafiʿ said, 'Messenger of Allah ﷺs, ʿUmar and Ibn ʿUmar camped there." Nafiʿ added, "Ibn ʿUmar used to offer the Zuhr and ʿAsr prayers at it (i.e. Al-Mahassab)." I think he mentioned the Maghrib prayer also. I said, "I don't doubt about ʿIsha' (i.e. he used to offer it there also), and he used to sleep there for a while. He used to say, 'The Prophet ﷺ used to do the same.' "  

نَزَلَ بِهَا رَسُولُ اللَّهِ ﷺ وَعُمَرُ وَابْنُ عُمَرَ وَعَنْ نَافِعٍ أَنَّ ابْنَ عُمَرَ ؓ كَانَ يُصَلِّي بِهَا يَعْنِي الْمُحَصَّبَ الظُّهْرَ وَالْعَصْرَ أَحْسِبُهُ قَالَ وَالْمَغْرِبَ قَالَ خَالِدٌ لاَ أَشُكُّ فِي الْعِشَاءِ وَيَهْجَعُ هَجْعَةً وَيَذْكُرُ ذَلِكَ عَنِ النَّبِيِّ ﷺ