'Fasting' in the Bible

While they were serving the Lord and fasting, the Holy Spirit said, “Set apart for Me Barnabas and Saul (Paul) for the work to which I have called them.”

Then after fasting and praying, they laid their hands on them [in approval and dedication] and sent them away [on their first journey].

When they had appointed elders for them in every church, having prayed with fasting, they entrusted them to the Lord in whom they believed [and joyfully accepted as the Messiah].