Luke 2:37

and then as a widow to the age of eighty-four. She never left the temple, serving night and day with fastings and prayers.

1 Timothy 5:5

Now she who is a widow indeed and who has been left alone, has fixed her hope on God and continues in entreaties and prayers night and day.

Acts 14:23

When they had appointed elders for them in every church, having prayed with fasting, they commended them to the Lord in whom they had believed.

Exodus 38:8

Moreover, he made the laver of bronze with its base of bronze, from the mirrors of the serving women who served at the doorway of the tent of meeting.

1 Samuel 2:2

There is no one holy like the Lord,
Indeed, there is no one besides You,
Nor is there any rock like our God.

Psalm 22:2

O my God, I cry by day, but You do not answer;
And by night, but I have no rest.

Psalm 23:6

Surely goodness and lovingkindness will follow me all the days of my life,
And I will dwell in the house of the Lord forever.

Psalm 27:4

One thing I have asked from the Lord, that I shall seek:
That I may dwell in the house of the Lord all the days of my life,
To behold the beauty of the Lord
And to meditate in His temple.

Psalm 84:4

How blessed are those who dwell in Your house!
They are ever praising You. Selah.

Psalm 84:10

For a day in Your courts is better than a thousand outside.
I would rather stand at the threshold of the house of my God
Than dwell in the tents of wickedness.

Psalm 92:13

Planted in the house of the Lord,
They will flourish in the courts of our God.

Psalm 135:1-2

Praise the Lord!
Praise the name of the Lord;
Praise Him, O servants of the Lord,

Luke 5:33

And they said to Him, “The disciples of John often fast and offer prayers, the disciples of the Pharisees also do the same, but Yours eat and drink.”

Acts 13:3

Then, when they had fasted and prayed and laid their hands on them, they sent them away.

Acts 26:7

the promise to which our twelve tribes hope to attain, as they earnestly serve God night and day. And for this hope, O King, I am being accused by Jews.

Revelation 3:12

He who overcomes, I will make him a pillar in the temple of My God, and he will not go out from it anymore; and I will write on him the name of My God, and the name of the city of My God, the new Jerusalem, which comes down out of heaven from My God, and My new name.

Revelation 7:15

For this reason, they are before the throne of God; and they serve 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.

General references

Bible References

But

Psalm 22:2
O my God, I cry by day, but You do not answer;
And by night, but I have no rest.
Acts 26:7
the promise to which our twelve tribes hope to attain, as they earnestly serve God night and day. And for this hope, O King, I am being accused by Jews.
1 Timothy 5:5
Now she who is a widow indeed and who has been left alone, has fixed her hope on God and continues in entreaties and prayers night and day.
Revelation 7:15
For this reason, they are before the throne of God; and they serve Him day and night in His temple; and He who sits on the throne will spread His tabernacle over them.

General references

Numbers 30:9
“But the vow of a widow or of a divorced woman, everything by which she has bound herself, shall stand against her.