In the window — Doubtless kept open, to prevent heat, both from the lamps and the number of people.
Related Commentaries of Acts 20:9
Acts 20:9
9 And there sat in a window a certain young man named Eutychus, being fallen into a deep sleep: and as Paul was long preaching, he sunk down with sleep, and fell down from the third loft, and was taken up dead.