Somnibot is a female lullaby-singing, sleep-themed monster, created by Klank & Orbus on Mondo's suggestion, whose sleep-inducing power enabled her to put both human and machine into a deep sleep (the type of sleep that Snow White and Princess Aurora would fall into) by the hypnotic power of her singing; she uses a music- and brainwave-based hypnotic spell that both tires and weakens her victims, putting them into a deep sleep. She even attempted to place the Gold Ranger under the power of her lullaby and put him to sleep as well. She was first defeated in her battle with the Gold Ranger at a riverbank near Angel Grove. To protect themselves from being affected by the sleeping spell, Klank & Orbus both wear acoustic, spell-resistant headphones/earmuffs at one point. Her powers could not onl