New research from CU Anschutz scientists suggests that staying physically active after heart rhythm treatment may ...

The timing of your sleep patterns could be linked to increased dementia risk, according to a new study. Each person's circadian rhythm, often defined as the body's internal 24-hour clock, keeps the ...

Pulseless electrical activity (PEA) is an especially serious heart arrhythmia related to weak or undetectable electrical activity. PEA can be a precursor to sudden cardiac death, so its symptoms ...

Sleep is a universal biological state that allows all animals, from mammals to amphibians, fish and even insects, to restore ...

Sleep looks peaceful on the outside, but inside the brain, it is anything but ...