This can have a big effect on the amount of sleep we get. One study monitored the sleep of 188 participants in the lab on ...

It is called rapid eye movement sleep because the eyes move quickly during this phase even though the eyelids are closed. The ...

The best known is REM, which stands for rapid eye movement because your eyes move rapidly during this stage of sleep. Scientists and researchers generally divide the cycles into two broad ...

Chronobiology shows that while our industrialised lives flatten the calendar, our cells adapt and align our habits with light ...

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 ...

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.

But this turned out to be a misconception that hasn’t allowed us “to capture the disease accurately,” Christine Won, MD, ...

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 ...

Although we know sleep is essential to our physical and mental well-being, it remains an incredibly enigmatic behavior, ...

That theory posits that, if memories were shrubs, the non-REM phase of sleep helps them grow taller and stronger. The REM ...

Cholinergic modulation of neural networks supports sequential and complementary roles for NREM and REM states in memory ...

Although we know sleep is essential to our physical and mental well-being, it remains an incredibly enigmatic behavior, scientifically speaking.