1 Samuel 26:7

David and Abishai entered Saul's camp at night. They found Saul sleeping in the center of the camp. His spear was stuck in the ground near his head. Abner and the troops were sleeping around him.

1 Thessalonians 5:2-3

For you know perfectly that the Day of Jehovah will come like a thief in the night. (Zephaniah 1:14)

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 know perfectly that the Day of Jehovah will come like a thief in the night. (Zephaniah 1:14)