1 Samuel 26:7

And so David and Abishai came to the people by night. And behold, Saul lay sleeping within a round bank and his spear pitched in the ground at his head, Abner and the people lying round about him.

1 Thessalonians 5:2-3

for ye your selves know perfectly, that the day of the Lord shall come even as a thief in the night.

Treasury of Scripture Knowledge

Summary

So David and Abishai came to the people by night: and, behold, Saul lay sleeping within the trench, and his spear stuck in the ground at his bolster: but Abner and the people lay round about him.

Bible References

Sleeping

1 Thessalonians 5:2
for ye your selves know perfectly, that the day of the Lord shall come even as a thief in the night.