There is no Islamic explanation for Déjà vu, and it is not discussed in the Quran or the Sunnah, or by any of the scholars of Islam, and it has no connection to any of the fundamental or basic teachings of Islam.

A Muslim can discipline himself by: 1- worshipping Allah, keeping in contact with Him and submitting to Him, 2- reading Quran, 3- reading useful religious books, 4- attending educational programs, 5- Keeping company with righteous people…