Trying switch gears going from working nights to regular hours on days off is the worse part, it's hard on the body.
When I was younger and my son was in grade school I worked a mix of days and nights. One morning I came home, put my son on the bus and went to sleep. I woke up and it was ten til 4, he should have been home at three. I went into total panic mode, called the school, trying to find out where he was......
It was 10:20 in the morning, not 3:50pm in the afternoon, I had mixed up the big hand and the little hand on the clock. I woke up, looked at the clock wrong and was so punchy, I didn't realize it until the school secretary finally made me understand what time it was. I'm sure the school thought I was a wacko mom with a drinking problem. Of course most clocks are digital now, so that wouldn't be a problem for you.
It's not an easy shift to work, and sleep deprivation is a real problem.