Worked the night shift (11-7) at Children's Medical Center in the ER as an ambulance driver paramedic during my college years. Whole different reality out there after the sun goes down.
I'm trying to cut down on caffeine personally, I feel like I'm very slow getting up in the morning. Then again you have to expect that on a Monday I suppose...
Caffeine is on the bottom of the list of things to cut from my life.
Can relate all too well. Had one rotation that was (12-hr shifts) 2 days on 1 1/2 days off, 2 mids on, 2 1/2 off. Someone that didn't work that rotation tried to convince us that it was great because of all the time off.
All that time feeling like a zombie, but unable to sleep because it's purple o'clock?