Researchers tracked sleep-wake changes over five years in 704 women in their 80s and 90s using wrist actigraphy. Declining ...

A baby’s sleep does not follow one set pattern. Newborns often spend most of the day sleeping. As babies grow into toddlers, their sleep changes again and again. Waking up often, taking short naps, ...

Students studying in a university library, representing the academic environment examined in this study. Sleep is a fundamental aspect of human health that plays a crucial role in cognitive function, ...

Two distinct patterns of "sleep spindles"—brief bursts during non-REM sleep—strongly correlate with cognitive ability. Strong, high-amplitude fast spindles link to superior reasoning and processing ...

Like many Americans, I know I need more sleep. I’m a night owl, often writing late into the night, but also a mom who gets up early with her kids. The result: I’m not getting enough rest. When I ...