It is recommend that, Every person should recite these 300 Ayat verses. Before sleeping then he will be reward with worship of the whole night. His name will not written in the heedless people. So, recite these both Surah Al-Furqaan and Surah Ash Shu’ara in the night because it is equal to 300 verses (Ayat).
These both Surah has 300 verses (Ayat). If you can’t recite these 2 Surah well, then recite Surah Tariq till the end of the Quran. Because these are equal to the 300 verses (Ayat).
If you want to increase the amount from 300 verses to 1000 verses. So, It will be very good and beneficial. Lots of rewards will written in his deeds for him. His name will written in the worshippers people. 1000 verses are start from Surah Mulk till the end of the Quran. If you can’t recite well these verses (Ayat), then recite 250 times Surah Ikhlas. It is equal to the 300 verses (Ayat).
Because Surah Ikhlas has 4 verses and it is equal to 1000 verses. It is advisable to every person that do not stop reciting these 4 Surah before sleeping. Surah Sajdah, Surah Yaseen, Surah Dukhan, and Surah Mulk. if you recite Surah muzamil and Surah Waqiah with them than it is very beneficial.
The Holy Prophet PBUH did not sleep without reciting Surah Sajdah, and Surah Mulk. In other hadith, Surah Bani Israel and Surah Az-Zimr are mention. In other hadith, these verse start from Sabeh. It is an other verse ( Musabhaat ) that is very beneficial for more than one lac verse reciting.