2 Samuel 12:16 KJV
David therefore besought God for the child; and David fasted, and went in, and lay all night upon the earth.
2 Samuel 12:16, King James Version
In context
15 And Nathan departed unto his house. And the Lord struck the child that Uriah’s wife bare unto David, and it was very sick.
16 David therefore besought God for the child; and David fasted, and went in, and lay all night upon the earth.
17 And the elders of his house arose, and went to him, to raise him up from the earth: but he would not, neither did he eat bread with them.