The Buffalo Bills safety's heart stopped during a Monday night game in Cincinnati, and he's been kept under sedation at the University of Cincinnati medical center until last night.
For those not treated with TTM, the earliest time is 72 hours after cardiac arrest and potentially longer if the residual effect of sedation or paralysis confounds the clinical examination.
After someone has had their last drink, as the concentration of alcohol in the blood drops back to zero, the brain rebounds from sedation and swings in the other direction, entering a hyperactive state.