A new study has uncovered the mechanism by which the brain waves produced during deep sleep can predict blood glucose control. The discovery not only highlights the importance of sleep in managing ...

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 ...

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 ...

"I have to get my deep REM sleep," expresses a common confusion about two very different types of sleep. Deep sleep and rapid eye movement (REM) sleep are not the same; they do not even overlap. They ...

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 ...