Sahih Muslim
The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness (Kitab Al-Dhikr)
Book Number: 035 / Hadith Number: 6548
This hadith has been transmitted on the authority of al-Bara' b. 'Azib that Allah's Messenger (may peace be upon him) commanded a person (in these words) and there is no mention of this:" if you get up in the morning you would get up with a bliss."