When you're doing something for the past 8++ hours and you've been doing it in a sleep-deprived state, there's bound to be some errors and corresponding repercussions.

Skinning the upper extremities of a corpse is some back-breaking shizz. For those of you who are considering it, add a vat of formalin and some awkward positions, and hey presto! You get a sleepy, funky, fugly you.