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 ...

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 ...

Deep sleep is one of the most essential stages of the sleep cycle, playing a vital role in how well you feel both physically and mentally. Often referred to as slow-wave sleep or delta sleep, this ...