Encyclopedia of Prophetic Hadiths

The Prophet (may Allah’s peace and blessings be upon him) recited this verse: {It is He Who has sent down to you the Book. In it are definite verses, which are the foundation of the Book, while others are ambiguous. Those with deviant hearts follow the ambiguous verses, seeking discord and seeking their [false] interpretation. But no one knows their [true] interpretation except Allah. And those who are well-grounded in knowledge say: "We believe in it. It is all from our Lord." None will take heed except people of understanding} [Surat Āl ‘Imrān: 7]. Then, he said: "If you see those who follow the ambiguous verses, they are those whom Allah has named; so, beware of them."

When the Prophet (may Allah’s peace and blessings be upon him) went to bed every night, he would join his palms together and blow into them and recite the Surahs al-Ikhlās, al-Falaq, and an-Nās, and then he would wipe with his hands over as many parts of his body as he could, starting with his head, face, and the front of his body. He used to do that three times.