Some have thought that in these three days Paul had that rapture into the third heavens, which he speaks of, 2 Corinthians 12:2; but that seems rather to have been afterwards; God would, however, by this humble and try him, and excite his dependence wholly upon him, and that he might value his restored sight the more. Neither did eat nor drink; that by fasting he might be more intent in prayer; for fasting does prepare for prayer, and therefore fasting and prayer are so often put together, Matthew 17:21 Acts 13:3. In those places they could fast longer without prejudice to their health, than amongst us, and, as I might add, were more willing to fast for any spiritual advantage than we are.
Related Commentaries of Acts 9:9
Acts 9:9
9 And he was three days without sight, and neither did eat nor drink.