Sometimes the hard part of the job isn't the number of hours per week at a desk but the need to always be on call to deal with problems. For me, being on call

Sometimes the hard part of the job isn't the number of hours per week at a desk but the need to always be on call to deal with problems. For me, being on call leads my brain into thinking about potential problems ahead of time, so there's a low level of work-related background noise going on all the time anyway.