Sentence:  The woman who used to start the day with a Spin class with Suzanne turned into a <WSD>mombie</WSD>—a mom zombie who was a shadow of her former self. Showering was no longer important. Why bother? 
Meaning of the word marked with <WSD> tags:  A mother who is consumed by raising her children to the point of being sleep-deprived or simply obsessed, and hence zombie-like.