Dua for Sleeping and Waking Up: Bismika Allahumma Amutu wa Ahya
The dua for sleeping from Sahih al-Bukhari: Bismika Allahumma amutu wa ahya, its meaning, the dua on waking up, and two more authentic bedtime duas.

The dua for sleeping from Sahih al-Bukhari: Bismika Allahumma amutu wa ahya, its meaning, the dua on waking up, and two more authentic bedtime duas.

The authentic dhikr the Prophet ﷺ said after every prayer: istighfar, Allahumma antas-salam, tasbih 33 times, Ayatul Kursi and more, with Arabic.