Musnad Abu Ya'la al-Mawsili 252:45

Al-Azraq ibn Ali narrated to us, Hassan ibn Ibrahim al-Kirmani narrated to us, Khalid ibn Sa'id al-Madani narrated to us, from Abu Hazim, from Sahl ibn Sa'd, who said: The Messenger of Allah (may Allah bless him and grant him peace) said: "Indeed, for everything there is a hump, and the hump of the Quran is Surah al-Baqarah. Whoever reads it in his house at night, Satan will not enter his house for three nights. And whoever reads it during the day, Satan will not enter his house for three days."