Acts 16:25

But at midnight Paul and Silas prayed and sung praises to God, and the prisoners heard them.

Luke 6:12

AND in those days he went out on the mountain to pray, and spent the whole night in prayer to God.

John 14:21

He that has my commandments and keeps them, he it is that loves me; and he that loves me shall be loved by my Father, and I will love him and manifest myself to him.

John 15:10

If you keep my commandments you shall continue in my love, as I have kept my Father's commandments and continue in his love.

Treasury of Scripture Knowledge

Summary

I have remembered thy name, O LORD, in the night, and have kept thy law.

Bible References

Night

Luke 6:12
AND in those days he went out on the mountain to pray, and spent the whole night in prayer to God.
Acts 16:25
But at midnight Paul and Silas prayed and sung praises to God, and the prisoners heard them.

Kept

John 14:21
He that has my commandments and keeps them, he it is that loves me; and he that loves me shall be loved by my Father, and I will love him and manifest myself to him.
John 15:10
If you keep my commandments you shall continue in my love, as I have kept my Father's commandments and continue in his love.