Scientists find an inverted u-shaped curve when studying sleep timing and hours and how that relates to BDNF and optimal ...

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 ...

Tsukuba, Japan—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 ...

It may seem like a good idea at the time — staying up late or pulling an all-nighter to study, celebrate or get to your destination faster — but it is probably not the health-savvy choice. And those ...

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 ...

Obstructive sleep apnea (OSA) harms brain function due to interrupted sleep and reduced oxygen levels while you’re sleeping. Several ways in which OSA affects the brain include an increased risk of ...

Sleep and hormones affect each other through your circadian rhythm, also called the sleep-wake cycle. A lack of sleep can affect several hormones at once. Getting 7 to 9 hours of sleep helps regulate ...