Previous studies have demonstrated that deep sleep has a restorative power to clear waste from the brain. The quality and the amount of sleep we get may influence our risk of developing ...

As much as half of the global population has trouble sleeping; however, proper sleep is vital for good overall health. While using caffeine for energy during the day can help, it may lead to further ...

Sleep is known to be important for creative thinking, but exactly how it helps and what role each sleep stage -- REM and non-REM -- plays remains unclear. A team of researchers have now developed a ...