Neuroscientists closer to understanding the mysteries of sleep

Like Islands sticking out of the smooth surface of the ocean, dreams pierce our sleep incoherent episodes of consciousness. How come these fragments of thoughts in sleep the brain — this question has long concerned scientists and philosophers. Tens of years, scientists have linked dreams with the phase of rapid eye movement (REM), when resting the brain, paradoxically, produces high-frequency brain waves that are very similar to those born during wakefulness.