I worked 6pm to 6am for 4 years. I loved working nights. Easy commute, no boss, more pay, quieter at work (not less busy just quiet). There are two huge downsides. I feel like it decimated what little social life I had and ruined my days off. I also feel like it was rough on the body and mind. Always tired and depressed.

It's taken a few years to feel like me again. Maybe an 8 hour night shift or 4pm to midnight would be okay but 6pm to 6am was rough.