On Monday, Hanks’ oxygen levels had improved to a point where doctors were able to decrease the work of the ventilator to test how his body responded to breathing on its own, but he was only able it make it for 30 minutes before having to ramp the ventilator back up. His wife, Susan Hanks, told CBS Sports that part of Maury’s struggle to maintain his oxygen levels had been a product of his agitation in coming out of sedation.