title: Brain structures and sleep.
mesh_terms: D000818:Animals; D001921:Brain / Q000033:anatomy & histology / Q000502:physiology*; D001923:Brain Chemistry; D001931:Brain Mapping; D001933:Brain Stem / Q000502:physiology; D002415:Cats; D002540:Cerebral Cortex / Q000502:physiology; D004285:Dogs; D004567:Electrodes, Implanted; D004569:Electroencephalography; D006257:Head / Q000637:transplantation; D006624:Hippocampus / Q000502:physiology; D009434:Neural Pathways / Q000033:anatomy & histology / Q000502:physiology; D012890:Sleep / Q000502:physiology*; D013238:Stereotaxic Techniques; D014184:Transplantation, Homologous; D014851:Wakefulness / Q000502:physiology*