If you’ve ever muddled through the forgetful funk that follows an all-nighter, you know how skimping on sleep can zap your brain power. Scientists have long known poor sleep messes with cognitive ...

A new study reports that individuals with chronic insomnia may face a more rapid decline in memory and thinking abilities as ...

In older adults, chronic insomnia is associated with cognitive decline and an increased risk for cognitive impairment.

Mayo Clinic study reveals chronic insomnia accelerates brain aging by 3.5 years and increases dementia risk by 40%. Learn ...

Does getting the sleep you need to feel your best pose an ongoing challenge? Here are 9 possible reasons why, plus tips to fall asleep faster.

Researchers found that worse sleep habits were tied to brains that appear, on average, about one year older than a person’s ...

Sleep that’s poor in quality or disrupted by snoring, insomnia or fatigue may make your brain appear up to a year older than ...

To treat insomnia, you'll likely need a mix of lifestyle changes and therapies. In more severe cases, medication can be helpful, but there are risks.

In a study published Wednesday in the journal Neurology, researchers revealed that people with chronic insomnia, described as ...