Immediately Saul fell flat on the ground, terrified by the words of Samuel. And his strength was gone, because he had not eaten anything all that day and night.
KJV
Then Saul fell straightway all along on the earth, and was sore afraid, because of the words of Samuel: and there was no strength in him; for he had eaten no bread all the day, nor all the night.
ASV
Then Saul fell straightway his full length upon the earth, and was sore afraid, because of the words of Samuel: and there was no strength in him; for he had eaten no bread all the day, nor all the night.