Luke 18:7

And will not God see justice done to his elect who cry to him by day and night? Will he be tolerant to their opponents?

Matthew 26:44

So he left them and went back for the third time, praying in the same words as before.

Luke 6:12

It was in these days that he went off to the hillside to pray. He spent the whole night in prayer to God,

Luke 22:41-46

He withdrew about a stone's throw and knelt in prayer,

1 Thessalonians 3:10

Night and day I pray specially that I may see your faces and supply what is defective in your faith.

2 Timothy 1:3

I render thanks to God, the God of my fathers whom I worship with a pure conscience, as I mention you constantly in my prayers.

Treasury of Scripture Knowledge

Summary

O my God, I cry in the daytime, but thou hearest not; and in the night season, and am not silent.

Am not silent

Bible References

In the night

Luke 6:12
It was in these days that he went off to the hillside to pray. He spent the whole night in prayer to God,
Luke 18:7
And will not God see justice done to his elect who cry to him by day and night? Will he be tolerant to their opponents?
Luke 22:41
He withdrew about a stone's throw and knelt in prayer,

Am not silent

Matthew 26:44
So he left them and went back for the third time, praying in the same words as before.