Researchers at Tsukuba University in Japan report that memories acquired while awake are stored in a more permanent form (called memory consolidation) during the REM stage of sleep, and that this ...

Think of a time when you had two different but similar experiences in a short period. Maybe you attended two holiday parties in the same week or gave two presentations at work. Shortly afterward, you ...

New research suggests Alzheimer’s memory loss may be linked to disruptions in the brain’s replay mode. Here's how sleep, hippocampus function, and memory consolidation play a role in cognitive decline ...