Luke 18:7

And shall not God avenge His elect, crying to Him day and night, and He is long-suffering over them?

Matthew 26:44

And leaving them, having gone away, He prayed again the third time, speaking the same word.

Luke 6:12

And it came to pass in those days, that He went out into the mountain to pray; and was there through the night in the prayer of God.

Luke 22:41-46

And He was separated from them about a stone's cast; and putting down His knees, continued to pray,

1 Thessalonians 3:10

night and day praying incessantly that we may see your face, and perfect the deficiencies of your faith?

2 Timothy 1:3

I give thanks to God, whom I serve from my ancestors with a clean conscience, as I have incessant mention of you in my prayers, night and day

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
And it came to pass in those days, that He went out into the mountain to pray; and was there through the night in the prayer of God.
Luke 18:7
And shall not God avenge His elect, crying to Him day and night, and He is long-suffering over them?
Luke 22:41
And He was separated from them about a stone's cast; and putting down His knees, continued to pray,

Am not silent

Matthew 26:44
And leaving them, having gone away, He prayed again the third time, speaking the same word.