1 Samuel 26:7

That night, David and Abishai came to the troops, and Saul was lying there asleep in the inner circle of the camp with his spear stuck in the ground by his head. Abner and the troops were lying around him.

1 Thessalonians 5:2-3

For you yourselves know very well that the Day of the Lord will come just like 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 you yourselves know very well that the Day of the Lord will come just like a thief in the night.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.