Researchers play ultra-brief tones to stimulate the brain during deep sleep. This stimulation improves cardiac output and relaxation of the left ventricle. Such technology to improve cardiovascular ...

March is Sleep Awareness Month, making it the perfect time to examine one of the most powerful pillars of our well-being: rest. In a culture that glorifies busyness, sleep often becomes the first ...

As little as 1 per cent reduction in deep sleep per year for people over 60 years of age translates into a 27 per cent increased risk of dementia, according to a study which suggests that enhancing or ...

It has been known for nearly 20 years that slow, synchronous electrical waves in the brain during deep sleep support the formation of memories. Why that is was previously unknown. Now, writing in the ...

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A good night’s sleep does more than just help you feel rested—it might literally clear your mind. A new study published January 8 in the Cell Press journal Cell shows how deep sleep may wash away ...

After a heart attack, immune cells are recruited to the brain to induce sleep, which suppresses inflammation in the heart and aids recovery. But if sleep is disrupted, excess inflammation worsens ...

Researchers led by Guilio Bernardi at the IMT School for Advanced Studies Lucca in Italy have discovered a key relationship between dreaming and the feeling of having had a good night's sleep.

It can be tough to calculate exactly how long you’re in REM, but many health trackers use your heart rate, heart rate variability, and data on your movements to make solid estimations. (Just know that ...

With a catalog so expansive, it's not uncommon to have dozens of apps and games installed on your phone. What makes smartphones truly smart is how efficiently they are able to handle tens and hundreds ...

Few experiences rival the calm satisfaction of falling asleep easily and waking up feeling fully rested. But sleep is more than a luxury or idle downtime, it’s a vital biological process that supports ...