Narrated `Aisha: Whenever Allah's Messenger (ﷺ) became sick, he would recite Mu'awwidhat (Surat Al-Falaq and Surat An- Nas) and then blow his breath over his body. When he became seriously ill, I used to recite (these two Suras) and rub his hands over his body hoping for its blessings.

تلتقي أسانيد هذه الأحاديث عند الزهري (ت ١٢٣) — يمر به ٣٨ من ٤١ إسناداً، على ٣ رواة في أعلاها.