Complex sentence: Sam, (voiced by Pamela Segall Adlon) unable to sleep due to a fear of the dark that fills his room, is inspired by an issue of his favorite superhero comic, Pajama Man, to take matters into his own hands.
Split into simpler sentences: Sam, (voiced by Pamela Segall Adlon) can't sleep due to a fear of the dark that fills his room. He is inspired by an issue of his favorite superhero comic, Pajama Man, to take matters into his own hands.