%0 Journal Article %T Brain and cognitive correlates of sleep fragmentation in elderly subjects with and without cognitive deficits %A Brigitte Landeau %A Claire Andr¨¦ %A Cl¨¦mence Tomadesso %A Florence M¨¦zenge %A Francis Eustache %A Ga£¿l Ch¨¦telat %A Pierre Branger %A Robin de Flores %A St¨¦phane Rehel %A Vincent de la Sayette %J Archive of "Alzheimer's & Dementia : Diagnosis, Assessment & Disease Monitoring". %D 2019 %R 10.1016/j.dadm.2018.12.009 %X Sleep disturbances are increasingly recognized as a risk factor for Alzheimer's disease. However, no study has assessed the relationships between objective sleep fragmentation (SF) and brain and cognitive integrity across different cognitive stages, from cognitively unimpaired elderly subjects to patients with subjective cognitive decline and/or mild cognitive impairment %K Sleep %K Aging %K Subjective cognitive decline %K Mild cognitive impairment %K MRI %K Amyloid %K Glucose metabolism %K Actigraphy %K Sleep fragmentation %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6369144/