Lots of nurses and other healthcare folks work a tough 12-hour schedule. Even if you like the freedom of fewer days on, the demands of 12-hour shifts are a lot to take on consistently. These long, stressful shifts are draining even on good days. After the second or third day (or night, yikes), you likely feel a little bit like a zombie. Are you making your best decisions then? Being your best self? You don't have to answer that, but when you have a quiet moment, think about it, and be honest.