RecruitingDevice studyRestoring Spindle and Thalamocortical Efficiency in Early-Course Schizophrenia Patients Using Auditory StimulationThe purpose of this research is to identify differences in brain activity during sleep between health individuals and individuals with schizophrenia, schizophreniform, or schizoaffective disorder. This study will also investigate whether tones played during deep sleep can enhance specific features of sleep and whether enhancing such features is related to an improvement in cognitive performance.