A new study suggested that not getting enough REM sleep can be an early warning sign of Alzheimer's disease. Here's what a ...

The fourth and final stage, REM sleep, is so named because during this sleep stage the eyes move quickly, though the eyelids remain closed. Muscles other than those that move the eyes become ...

During sleep, especially during a stage called REM (Rapid Eye Movement) sleep, your brain sorts through the memories you made ...

The goal was to learn what happens in the brain during non-REM (non-rapid eye movement) sleep, a stage known for memory consolidation. What the researchers found was surprising.

During sleep apnea, oxygen levels can drop below 90% during REM sleep—this may damage memory-related brain regions, raising the risk of cognitive decline. #medindia #sleepapnea #brainhealth ...

Upon waking, all groups showed an improvement in their performance, but 85.7% of those who achieved the N2 sleep phase had ...