Naat are known as Naat-Khua’an or Sana’a-Khua’an.Holy Prophet Muhammad’s companion Hassan ibn Sabit started this work . He was also known as Shair-e-Darbaar-e-Risalat.Therefore Hassan is known as the first Sana-Khawaan (Naat reciter) of that time.So we are Followed him Since yet.