Keep up prayer from the declining of the sun untill the darkness of the night and morning recitation; surely the morning recitation is witnessed.
And during a part of the night, pray Tahajjud beyond what is incumbent on you; maybe your Lord will raise you to a position of great glory. (Q.S. Al Isra, 78-79)
Allohumma anta robbi laaa ilaha illa anta kholaqtani wa ana abduka wa ana 'alaa ahdika wawa'dika mastatho'tu a'uudzubika min syarrima shona'tu abuu'ulaka bini'matika alayya wa abuu'u bi dzambii faghfirlii fa innahu laa yaghfiru dzunuuba illa anta