A new study has found a link between rapid eye movement (REM) sleep and Alzheimer’s disease. The research from China, published in the journal Alzheimer’s & Dementia by the Alzheimer’s Association, ...

Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...

In a new study from the University of Michigan, researchers have coupled experiments with models of neuronal circuits, like the one shown here, to investigate the role of the non-REM to REM sleep ...

Smartwatch makers promise to turn your wrist into a sleep lab, translating tiny movements and heart rate blips into colorful ...

Any sleep tracker will show you that slumber is far from a passive affair. And no stage of sleep demonstrates that better than rapid eye movement, or REM, commonly called dream sleep. “It’s also ...

Changes in our REM sleep patterns could potentially be used to diagnose the severity of epilepsy, a new study has suggested. Researchers showed that astrocytes -- star-shaped glial cells that control ...