Narrated 'Aisha: Whenever Allah's Apostle went to bed, he used to blow on his hands while reciting the Mu'auwidhat ( i.e. Suratal-Falaq and Surat-an-Nas, 113 and 114) and then pass his hands over his body,
— Sahih Bukhari, Volume 8, Book 75: Invocations, Hadith #331
Narrated 'Aisha: Whenever Allah's Apostle went to bed, he used to blow on his hands while reciting the Mu'auwidhat ( i.e. Suratal-Falaq and Surat-an-Nas, 113 and 114) and then pass his hands over his body,
This hadith is from the book of Invocations in Sahih Bukhari, compiled by Imam al-Bukhari. It is hadith number 331 in book 75 of volume 8.
This hadith is referenced in the following topics: Al-Falaq, An-Nas.