Abstaining from reciting the Qur’an when drowsy
Abu Hurairah (Radia-Allaahu ‘anhu) narrated that Allaah's Messenger (Salla-Allaahu ‘alayhi wa sallam) said: "If one of you gets up to pray at night and falters in his recitation of Qur'an (i.e. it becomes difficult to recite correctly), and does not know what he is saying, let him lie down." [Muslim…