Prescribed Punishments (Kitab Al-Hudud)
40/16. Chapter:
If an insane person steals or commits a crime that is subject to a had
Sunan Abi Dawud
حَدَّثَنَا يُوسُفُ بْنُ مُوسَى، حَدَّثَنَا وَكِيعٌ، عَنِ الأَعْمَشِ، نَحْوَهُ وَقَالَ أَيْضًا حَتَّى يَعْقِلَ . وَقَالَ وَعَنِ الْمَجْنُونِ حَتَّى يُفِيقَ . قَالَ فَجَعَلَ عُمَرُ يُكَبِّرُ .
A similar tradition has also been transmitted by al-A’mash through a different chain of narrators. He also said : “... . Till he reaches puberty , and a lunatic till he is restored to consciousness.” ‘Umar then began to utter: Allah is most great.
Reference : Sunan Abi Dawud 4400In-book reference : Book 40, Hadith 50English translation : Book 39, Hadith 4386