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Anas ibn Malik said, "The Prophet, may Allah bless him and grant him peace, used to visit Umm Hiram, the daughter of Milhan who was married to 'Ubada ibn as-Samit, and she would give him food and delouse his head. Then he slept and woke up laughing."
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا عَبْدُ اللهِ بْنُ يُوسُفَ، قَالَ: أَخْبَرَنَا مَالِكٌ، عَنْ إِسْحَاقَ بْنِ أَبِي طَلْحَةَ، أَنَّهُ سَمِعَ أَنَسَ بْنَ مَالِكٍ يَقُولُ: كَانَ النَّبِيُّ صلى الله عليه وسلم يَدْخُلُ عَلَى أُمِّ حَرَامِ ابْنَةِ مِلْحَانَ، فَتُطْعِمُهُ، وَكَانَتْ تَحْتَ عُبَادَةَ بْنِ الصَّامِتِ، فَأَطْعَمَتْهُ وَجَعَلَتْ تَفْلِي رَأْسَهُ، فَنَامَ ثُمَّ اسْتَيْقَظَ يَضْحَكُ.
sunnah.com