A Catch-22 is a no-win situation where the solution to a problem is rendered impossible by the very conditions of the problem
If you describe a situation as a Catch-22, you mean it is an impossible situation because you cannot do one thing until you do another thing, but you cannot do the second thing until you do the first thing
Being awakened at 2 a.m. to have your temperature taken is not conducive to healing, nor is being awakened again at 6 a.m. to have the bed sheets changed, breathing airborne contaminants, or having to make yourself available to well-meaning but sadistic friends and relatives for four hours every day because the hospital has proclaimed this time for visiting hours. This schedule is primarily conducive to hospital administration.