The Prophet would not sleepy until he had recite Al-Musabbihat, and he would say: “In them is an Ayah that is better than a thousand Ayah.”

“I accompanied Shaddad bin Aws [may Allah be pleased with him] on a journey, so he said: ‘Should I not teach you what the Messenger of Allah used to teach us? That you say: “O Allah, I ask You for steadfastness in the affair and I ask You for determination upon guidance, and I ask You to make me grateful for Your favor, and excellence in worshipping You, and I ask You for a truthful tongue and a sound heart, and I seek refuge in You from the evil of what You know, and I ask You for the good of what You know, and I seek Your forgiveness for that which You know. Verily, You are the Knower of all that is hidden (Allahumma Inna As’alukath-Thabata Fil-amri Wa As’aluka Shukra Ni’matika, Wa Husna Ibadika, Wa As’aluka Lisanan Sadiqan Wa Qalban Saliman, Wa A’udhu Bika Min Sharri Ma Ta’lamu, Wa As’aluka Min Khairi Ma Ta’lamu, Wastaghfiruka Mimma Ta’lamu Innaka Anta Allamul-ghuyub).’” He said: ‘The Messenger of Allah said: “There is no Muslim who lays down to sleep while reciting a Surat from Allah’s Book, except that Allah entrusts an angel, so that nothing approaches him to harm him until he awakens, whenever he awakens.”

“Fatimah complained to me about her hands blistering from grinding flour. So I said: ‘If you were to approach your father and ask him for a servant?’ So he (the Prophet) said: ‘Should I not direct the two of you, to that which is better for you than a servant? When the two of you lay down to sleep, say thirty-three, thirty-three, thirty-four, or At-Tahmid, At-Tasbih, and At-Takbir.”