Sahih Bukhari | Volume 9 | Hadith Number 491

Narrated by Juhaifa
When the Prophet went to bed, he used to say, "Allhumma bismika ahya wa amut." And when he got Up in the mornings he used to say, "Alhamdu lillahi al-ladhi ahyana ba'da

ma amatana wa ilaihi-n-nushur."