To wake up for Tahajjud Salaah. On awakening rub the face and the eyes with the palms of the hands in order to remove the effects of sleep. Say“Alhamdulillah” thrice and then recite “Kalima Tayyibah” on awakening. Thereafter recite the dua on awakening.  To make the bed yourself. On awakening cleanse the mouth with a Miswaak.