Luke 2:37

and then being a widow even for fourscore and four years. She departed not from the temple, but worshiped with the fasting and prayer, night and day.

1 Timothy 5:5

Now she who is a widow indeed, and desolate, has fixed her hope on God, and devotes herself to supplications and prayers, day and night.

Acts 14:23

They chose elders for them in every church, after prayer and fasting, and commended them to the Lord in whom they had believed.

Luke 5:33

Again they said unto him. "Why do the disciples of John fast frequently, and make supplications, as also do the disciples of the Pharisees, but your disciples are eating and drinking?"

Acts 13:3

So after fasting and praying, they laid their hands on them, and let them go.

Acts 26:7

"a promise which our twelve tribes, earnestly serving God night and day, hope to attain. It is concerning this hope, King Agrippa, that I am accused by the Jews.

Revelation 3:12

He that overcomes, I will make him a pillar in the temple of my God; and he shall go out from it nevermore. And I will write upon him the name of my God, and the name of the city of my God, the new Jerusalem, which is coming down from my God out of heaven, and my own new name.

Revelation 7:15

For this they are now before the throne of God, and are serving him day and night in his temple. "And He who sits on the throne Will spread his tabernacle over them.

Treasury of Scripture Knowledge

Summary

And she was a widow of about fourscore and four years, which departed not from the temple, but served God with fastings and prayers night and day.

Bible References

But

Acts 26:7
"a promise which our twelve tribes, earnestly serving God night and day, hope to attain. It is concerning this hope, King Agrippa, that I am accused by the Jews.
1 Timothy 5:5
Now she who is a widow indeed, and desolate, has fixed her hope on God, and devotes herself to supplications and prayers, day and night.
Revelation 7:15
For this they are now before the throne of God, and are serving him day and night in his temple. "And He who sits on the throne Will spread his tabernacle over them.