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 ...

Two weeks of 20-minute yoga nidra sessions led to a higher percentage of delta-waves in deep sleep and better memory, decision-making, and abstraction Practicing yoga nidra—a kind of mindfulness ...

Reduced sleep quality, defined as low delta entropy as measured by electroencephalogram (EEG), is associated with a greater long-term risk of cardiovascular disease events and mortality, according to ...

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, ...