Memories X Nightmares = ?

Welcome to Dr. T.'s office, specializing in the treatment of nightmares with her hypnotic ability to delve into the patient's mind. Three new cases have arrived at the office, and Dr. T. must use her expertise to search through their tangled memories that cause nightmares, deciding which memories to use to combat the nightmares and which to discard, as only some will be able to multiply by the ni…