Aisha reported: When the Messenger of Allah, peace and blessings be upon him, would lie down for sleep, he would blow into his hands, recite the two chapters of refuge, al-Falaq and al-Nas, and he would wipe his hands over his body.
Source: Ṣaḥīḥ al-Bukhārī 5960
Grade: Sahih (authentic) according to Al-Bukhari
عَنْ عَائِشَةَ رَضِيَ اللَّهُ عَنْهَا أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ كَانَ إِذَا أَخَذَ مَضْجَعَهُ نَفَثَ فِي يَدَيْهِ وَقَرَأَ بِالْمُعَوِّذَاتِ يعني الفلق والناس وَمَسَحَ بِهِمَا جَسَدَهُ
5960 صحيح البخاري كتاب الدعوات باب التعوذ والقراءة عند المنام