This lecture will address the evidence linking sleep and circadian disturbance with cognitive impairment and neurodegenerative disease including mild cognitive impairment, Alzheimer’s disease, Parkinson’s disease and Dementia with Lewy Bodies. It will cover practical ways to assess for sleep disturbance and the current optimal methods of treatment. Professor Sharon Naismith Clinical Neuropsychologist, NHMRC Dementia Leadership Fellow, Leonard P Ullman Chair in Psychology at the University of Sydney