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Improving deep sleep may prevent dementia, study finds (478 points, 2023, 446 comments) https://news.ycombinator.com/item?id=38097184

Deep sleep may be the best defense against Alzheimer’s (254 points, 2023, 241 comments) https://news.ycombinator.com/item?id=36026220

Biomarker of Alzheimer's found to be regulated by sleep cycles (270 points, 2020, 171 comments) https://news.ycombinator.com/item?id=25456778