Among the various sleep stages, two of the most well-known are REM sleep and deep sleep. REM sleep is closely associated with cognition and emotions (not to mention vivid dreams). Meanwhile ...

Deep sleep plays an important role in learning and memory storage, "by facilitating a process called 'memory consolidation,' ...

Most people spend a third of their lives sleeping, but you may need more or less than eight hours a night. The amount of ...

Sleep disturbances may accelerate neurodegeneration, but whether they cause or result from disease remains unclear. Improving ...

Sleep expert shares his favourite tips to get better sleep after saying the clocks going forward is 'unnatural' and that ...