that the Messenger of Allah (ﷺ) said: "Indeed for everything there is a heart, and the Quran's heart is Ya Sin. Whoever recites Ya Sin, then for its recitation, Allah writes for him that he recited the Quran ten times."
Jami` at-Tirmidhi Book 45, Hadith 13
← Previous Hadith that the Prophet (ﷺ) said: "Whoever recites three Ayat from the beginning of Al-Kahf he is protected from the turmoil of the Dajjal."

Jami` at-Tirmidhi Book 45, Hadith 12 Next Hadith → that the Messenger of Allah (ﷺ) said: "Whoever recites Ha Mim Ad-Dukhan during the night, in the morning seventy thousand angels seek forgiveness for him."

Jami` at-Tirmidhi Book 45, Hadith 14