Delta wave activity disruption during sleep may be a useful metric to identify those at an increased risk for cardiovascular disease and cardiovascular mortality. An international team of researchers ...

A research team in Freiburg has investigated how random sounds played during sleep affect the consolidation of new memories.

Nightfall becomes scary when nighttime sounds are loud and unpredictable. The bark of my dogs, the sudden slam of a car door, ...

During sleep, the brain cleans itself, turning up the flow of cerebrospinal fluid through the gray matter parenchyma to wash away waste. What powers this flow? In the February 28 Nature online, ...