"I asked Anas: 'How did the Messenger of Allah ﷺ recite Quran?' He said: 'He used to elongate the sounds.'" (Using translation from Nasāʾī 1014)  

سَأَلْتُ أَنَسًا كَيْفَ كَانَتْ قِرَاءَةُ رَسُولِ اللهِ ﷺ؟ قَالَ «كَانَ يَمُدُّ صَوْتَهُ مَدًّا»