1 Timothy 2:8
Therefore, I want the men to pray in every place [i.e., in all worship assemblies. See verses 1-2], lifting up holy hands without being angry or argumentative. [Note: This passage stresses both the physical and spiritual aspects of prayer].
Matthew 14:25
Then between three and six o'clock in the morning Jesus came walking to them on the [surface of the] lake.
Mark 1:35
Very early in the morning, [even] before daylight, Jesus woke up, left Simon's house [verse 29] and went out to a deserted place where He prayed.
Mark 13:35
So, be alert, because you do not know when the owner of the house will return, whether [some] evening, at midnight, at dawn, or at [mid-] morning.
Luke 6:12
And it happened during that time that Jesus went out to the mountain [i.e., probably a hillside near Capernaum] to pray, and continued praying to God all night.