“Everything has a heart, the heart of the Qur’an is Surah Ya’seen. Whoever reads Surah Ya’seen (once), Allah Ta’aala records for him a reward equal to that of reading the whole Qur’an ten times.”
(Tirmizi, Daarimi)
It is related to Hazrat Ata bin Abi Ribah (RA) that Rasulullah (SAW) said:
“Whoever reads S.Ya’seen in the beginning of the day, all his needs for that day will be fulfilled.”
According to another Hadith, Allah Ta’aala recited S.Ya’seen and Surah Taha 1000 years before the creation of the Heavens & the Earth, and on hearing this, the angels said: “Blessing is for that Ummat unto whom the Qur’an will be sent down, the blessing is for the hearts which will bear (memorize it) and blessing is for the tongues which will recite it.”
Another narration says: Whoever reads Surah Ya’seen for the pleasure of Allah only, all his previous sins are forgiven. Therefore, make a practice of reading this Surah over your dead.”