Sleeping fewer than 4.5 hours and more than 6.5 hours per night is associated with cognitive decline, according to researchers. In a recent study published in Oxford Academic's Brain, a team from the ...

Share on Pinterest Data from five population studies suggest that better sleep may help protect cognitive function in adults. Image credit: ismagilov/Getty Images. A new analysis looking at data from ...

If you've suffered from a bad night's sleep, a day of brain fog, sluggishness and distractions is often on the cards. But you're in luck: scientists have revealed a simple way to banish the brain fog ...

Daily sleep and activity are fundamental to both physical and mental health. Although previous studies have largely emphasized quantitative aspects such as sleep duration and physical activity time, ...

While it's well known that sleep enhances cognitive performance, the underlying neural mechanisms, particularly those related to nonrapid eye movement (NREM) sleep, remain largely unexplored. A new ...

Sleeping long has a negative effect on brain performance, especially in people who are depressed, according to the findings of a new study. It suggests that sleep might be a modifiable risk factor for ...

Patients with multiple sclerosis (MS) are at risk for cognitive dysfunction, which many patients cite as a highly bothersome and disabling symptom. It’s also common for them to experience various ...