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 ...

Posts saying the Delta variant of the COVID-19 virus is false by comparing it to Delta brain waves associated with deep sleep are misleading. Examples can be seen here and here. The second post ...

The delta coronavirus variant has caused a sharp spike in cases around the country, according to public health officials. But some people online say there's something even more sinister about the ...

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 ...