When retiring to his bed every night, the Prophet would hold his palms together, spit (A form of spitting comprising mainly of air with little spittle) in them, recite the last three chapters (Al-Ikhlas, Al-Falaq, An-Nas) of the Quran and then wipe over his entire body as much as possible with his hands, beginning with his head and face and then all parts of the body, he would do this three times.