“We don’t know yet whether getting adequate sleep as people age will protect against Alzheimer’s disease. But it can’t hurt, and this and other data suggest that it may even help delay and slow down the disease process if it has begun.”

https://neurosciencenews.com/alzheimers-sleep-deprivation-10635/?fbclid=IwAR1_g1NfTqGJaWX7fqkpfwvon2TCbDlWeVIx97M7ABk0XNzmq9Yu1xFC1VI