1 Timothy 2:8
I will then that men pray in every place, lifting up holy hands without wrath or doubting:
Matthew 14:25
Then at the fourth watch of the night came Jesus unto them, walking on the sea.
Mark 1:35
And very early (the night being far advanced towards morning) rising up, he went forth, and retired into a desert place, and there prayed.
Mark 13:35
Watch ye therefore; for ye know not at what time the master of the house cometh, at evening, or midnight, or cock-crowing, or in the morning:
Luke 6:12
Now it came to pass in those days, that he went out into a mountain to pray and continued all night in an oratory of God.