Delayed REM Sleep Could Be an Early Sign of Alzheimer’s January 27, 2025 Delayed REM sleep was found to be linked to higher Alzheimer’s risk. Healthy sleep habits and treatments may help mitigate risks. External URL https://www.ucsf.edu/news/2025/01/429346/delayed-rem-sleep-could-be-early-sign-… Area of Focus Health and Science/Alzheimer’s and Dementia Health and Science/Neurology Health and Science/Sleep