… We assessed sleep fragmentation by actigraphy and related this to cognitive function, to …
Greater sleep fragmentation was associated with higher neocortical expression of genes …

… factor for Alzheimer's disease. However, no study has assessed the relationships … in sleep
quality have been related to cognitive decline and increased risk of developing dementia [2], [3…

… domains (such as daytime dysfunction, fragmentation, latency and subjective quality). As for
the subtypes of … . Self-Reported sleep disturbance is associated with Alzheimer's disease …

… to their sleep (one with a propensity to deepen the sleep and … the lighter sleep stage), we
hypothesized that the cognitive decline … In fact, sleep disturbances such as sleep fragmentation, …

… found no link between insomnia and dementia or Alzheimer's disease. Surprisingly, in the
latter, fragmented sleep was associated with lower dementia risk and better cognition scores. …

… (eg cognitive function at a single time point, 14 cognitive decline … ), nocturnal sleep duration
and sleep fragmentation. Note … associations of sleep traits on risk of Alzheimer's disease (AD…

… that sleep disturbance contributes to cognitive decline and might also increase the risk of
Alzheimer's disease dementia by … That sleep disturbance would be a candidate risk factor for …

… Alzheimer’s disease-specific sleep changes, including abnormal non-rapid eye movement
sleep, sleep fragmentation, and sleep-… with cognitive decline, sleep fragmentation did not …

… Given the association of sleep disturbance with cognitive impairment in a variety of
patient populations, 18 , 20 , 39 we set out to determine whether early actigraphy estimated …

… have suggested that sleep disturbance could be a risk factor for cognitive decline and AD. …
that demonstrated an association between sleep fragmentation and an increased risk of AD […