Yawning has long been dismissed as a sign of boredom or fatigue, a social cue we mostly try to suppress in meetings and on ...

A major international study has uncovered a new biological clue that could help predict dementia long before memory problems arise. Researchers from the University of Cambridge and Zhejiang University ...

One key role of sleep involves cerebrospinal fluid, which surrounds and protects the brain. During sleep, CSF helps remove ...

Typically, CSF flow during sleep helps get rid of built-up waste from the day. Scientists wanted to know how it might be affected by sleep deprivation, so they recruited 26 volunteers to perform tasks ...