There has been a phenomenon where ventilated Covid patients, once removed from ventilation, take more than a few days to wake up from their induced coma.
Some of them took a few days, to some taking more than a few months.
Doctors and scientists were puzzled but one scientist has done a paper linking the mechanism to that of hibernating turtles.
Turtles, you ask?
Free article follows:
Covid Patients Coming Off Ventilators Can Take Weeks to Regain Consciousness