Hadithcore
Mishkat al-Masabih, 2181

Ibn Mas’ūd reported God’s messenger as saying, “He who recites <i>sūra al-Waqi'a</i> (Qur’ān, 56) every night will never be afflicted by want.” Ibn Mas’ūd used to order his daughters to recite it every night. Transmitted by Baihaqī in <i>Shu'ab al-īmān</i>.

وَعَنِ ابْنِ مَسْعُودٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «مَنْ قَرَأَ سُورَةَ الْوَاقِعَةِ فِي كُلِّ لَيْلَةٍ لَمْ تُصِبْهُ فَاقَةٌ أَبَدًا» . وَكَانَ ابْنُ مَسْعُودٍ يَأْمُرُ بَنَاتَهُ يَقْرَأْنَ بهَا فِي كل لَيْلَة. رَوَاهُ الْبَيْهَقِيّ فِي شعب الْإِيمَان

References1 variant
In-Book Reference
Book 8, Hadith 71