Luke 18:7

And will not God bring about justice for his elect, who cry to him day and night? Will he delay long over them?

Matthew 26:44

So he left them, went away again, and prayed the third time, saying the same words.

Luke 6:12

In those days he went out to the mountain to pray, and all night he continued in prayer to God.

Luke 22:41-46

And he withdrew from them about a stone's throw, and knelt down and prayed,

1 Thessalonians 3:10

as we night and day keep praying most earnestly that we may see you face to face and supply what is lacking in your faith?

2 Timothy 1:3

I thank God, whom I serve with a clear conscience the way my forefathers did, as I constantly remember 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
In those days he went out to the mountain to pray, and all night he continued in prayer to God.
Luke 18:7
And will not God bring about justice for his elect, who cry to him day and night? Will he delay long over them?
Luke 22:41
And he withdrew from them about a stone's throw, and knelt down and prayed,

Am not silent

Matthew 26:44
So he left them, went away again, and prayed the third time, saying the same words.