It's both. You're sedated (comatose) to tolerate the tube and allow the machine to manage the pressure. After a few weeks the air pressure destroys your lungs a

It's both. You're sedated (comatose) to tolerate the tube and allow the machine to manage the pressure. After a few weeks the air pressure destroys your lungs and the sedation causes you to lose muscle strength. So you get sicker day by day. I'm still waiting for an interview with a ventilator survivor. None so far.