(16) باب مَا يَقُولُ إِذَا أَصْبَحَ
Narrated Abu Dhar:
Whenever the Prophet (ﷺ) lay on his bed, he used to say: "Allahumma bismika amutu wa ahya," and when he woke up he would say: "Al-hamdu lil-lahilladhi ahyana ba'da ma an atana, wa ilaihi an-nushur."
Reference: Sahih al-Bukhari 6325
In-book reference: Book 80, Hadith 22
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 8, Book 75, Hadith 337