That the Messenger of Allah ﷺ said: "The pen has been lifted from three; for the sleeping person until he awakens, for the boy until he becomes a young man and for the mentally insane until he regains sanity."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ رُفِعَ الْقَلَمُ عَنْ ثَلاَثَةٍ عَنِ النَّائِمِ حَتَّى يَسْتَيْقِظَ وَعَنِ الصَّبِيِّ حَتَّى يَشِبَّ وَعَنِ الْمَعْتُوهِ حَتَّى يَعْقِلَ قَالَ وَفِي الْبَابِ عَنْ عَائِشَةَ