وَعَنْ زِيَادِ اَلسَّهْمِيِّ رضى الله عنه
قَالَ: «نَهَى رَسُولُ اَللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: أَنْ تُسْتَرْضَعَ اَلْحَمْقَى»
The Messenger of Allah (sallallahu alayhi wa sallam) forbade that a stupid woman may be asked to suckle an infant.
Bulugh al-Maram 1323, Book 8, Marriage, Hadith 201. 1 min read