[Machine] The Messenger of Allah ﷺ used to recite the Mu'awwathat (Surahs of refuge: Surah Al-Falaq and Surah An-Nas) on himself when he felt unwell and blew upon himself.
«كَانَ رَسُولُ اللهِ ﷺ إِذَا اشْتَكَى قَرَأَ عَلَى نَفْسِهِ بِالْمُعَوِّذَاتِ وَيَنْفُثُ»