Sayyidah Aisha Siddiqa (may Allah be pleased with her) narrates: When the Prophet Muhammad (peace and blessings be upon him) would become ill, he would recite the Mu'awwidhat and blow over himself. When his illness intensified, I began to recite and blow over him, and I would pass his blessed hand over him, hoping for the blessing of his blessed hand.
Hadith Referenceصحیح ابن حبان / كتاب الجنائز وما يتعلق بها مقدما أو مؤخرا / 2963
Hadith Gradingفضيلة الشيخ الإمام محمد ناصر الدين الألبانيصحيح - «الصحيحة» (2775): ق.فضيلة الشيخ العلّامة شُعيب الأرناؤوطإسناد صحيح على شرط الشيخين