Insomnia is a sleep disorder where a person has trouble falling and staying asleep. Past studies have linked insomnia to an increased risk for a number of health concerns, including cognitive decline, ...

Inside the body, a 24-hour rhythm, known as the circadian rhythm, quietly coordinates when we sleep, wake, eat, and recover.

(CNN) — Addressing insomnia isn’t just a fight against tomorrow’s midafternoon fatigue –– it could help protect against brain aging in the future, new research suggests. Sleep difficulties are common, ...

The sleep system that may be lowering your risk of dementia - Researchers propose that a build-up of toxins due to lost sleep ...

A new study found that chronic insomnia can lead to memory loss and faster brain aging. Fortunately it’s very treatable. In a new study, older adults with chronic insomnia were 40 percent more likely ...

People with chronic insomnia are 40% more likely to develop dementia or mild cognitive issues, reported a new study published in Neurology. "Insomnia doesn't just affect how you feel the next day -- ...