In reply to Got a job rob:
I am also a nurse working 12 hour shifts. My commute is only 2.5 miles each way, downhill on the way home so no problem if I am too knackered.
I am a charge nurse in ITU and I think clinical area and level of seniority can make a big difference to how tiring a shift can be. As a newly qualified staff nurse on a busy medical ward in an Inner London teaching hospital, I remember being run ragged. Looking after a stable ITU patient, I get to sit down quite often, although it can be draining mentally and emotionally. Shift leading can also keep me on my feet all day, and there are so many other stresses to wear you down.
Does your clinical area have a good attitude towards breaks? Nurses love being martyrs and skipping breaks. I would dread a long commute home on an empty stomach. Likewise, do you have opportunities to have regular drinks? I am always amazed at how fastidious we are at what our patients drink, then totally ignore our own hydration needs; what colour does your wee tend to be at the end of a shift?
Bear in mind that long shifts over the winter mean setting off and returning in the dark, and if the weather is pants it will be difficult to get motivated sometimes.
My wife is also a nurse, so I can always unload my problems on her when I get home. Being in the job, she is either incredibly understanding, or tells me to get over it. However, if that were not the case, I think cycling home is a fantastic way to wind down after a shift.
Sorry to ramble, have just finished 3 nights and am fighting sleep.
Rich