This issue provides a state-of-the-art review of Sleep and Neurologic Disorders. The following key topics are covered:: Parkinsons Disease and Sleep, Multiple System Atrophy and Sleep, Sleep Disturbances in Dementia, Prion Disorders and Sleep, Auto-Immune Neurological Disorders and Sleep, Sleep Disturbances in Central Nervous System Malignancies, Sleep and Epilepsy, Sleep Disordered Breathing and Stroke, Sleep Disordered Breathing in Neuromuscular Disease, Sleep Apnea:: A Neurologic Disease?, Sleep and Headache Syndromes, Sleep Disturbances and Attention Deficit Hyperactivity Disorder, Sleep Disturbances and Autism.