You are trying to access subscriber-only content.

If you are a subscriber, log in here.

If you are not a subscriber, or are only subscribed to the print edition, click here to subscribe now. Digital subscribers have unlimited access to our magazine articles and more!

Q: I have insomnia, and I’m worried about what it’s doing to my brain. Does chronic sleep disturbance lead to Alzheimer’s disease? A: Scientists have identified an association between chronic sleep disturbance and greater risk for Alzheimer’s disease (AD), but it has been unclear whether sleep disturbance is an early sign of AD, or a […]