Chronic sleep disturbance could trigger onset of Alzheimer's -- ScienceDaily

People who experience chronic sleep disturbance could face an earlier
onset of dementia and Alzheimer’s, results from a new pre-clinical study
indicate. "We can conclude from this study that chronic sleep
disturbance is an environmental risk factor for Alzheimer's disease," a
co-author said. "But the good news is that sleep disturbances can be
easily treated, which would hopefully reduce the Alzheimer's risk."

Sleep deprivation effect on the immune system mirrors physical stress

Severe sleep loss jolts the immune system into action, reflecting the same type of immediate response shown during exposure to stress, a new study reports.