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.