Reciting Muawwazatain (Surah Falaq And Surah Naas) After Salaah

One should recite Muawwazatain (Surah Falaq and Surah Naas) after every salaah

عن عقبة بن عامر رضي الله عنه قال: أمرني رسول الله صلى الله عليه وسلم أن أقرأ بالمعوذتين في دبر كل صلاة (ترمذي رقم 2903)

Hazrat Uqbah bin Aamir (Radhiyallahu Anhu) reports: “Rasulullah (Sallallahu Alaihi Wasallam) instructed me to recite the muawwazatain after every salaah.”

Source: Ihyaauddeen.co.za