Essentially, sleep is divided into two stages – non-rapid eye movement (non-REM, which the researchers refer to as NREM) sleep and REM sleep – and it's widely understood both play distinct roles in ...

A bad night's sleep can make anyone a bit forgetful, but now neuroscientists have discovered a new link between the amount of sleep we get a night, and memory retention. In new research, set to be ...

Iordache also says it may be the unfamiliarity of a new mattress that creates physical discomfort. "Your body has a physical ...

Experiment conducted by researchers at the University of California, Berkeley Feb. 1, 2013 — -- An experiment at the University of California, Berkeley, found that seniors enjoy less quality ...

Learn how jellyfish and sea anemones are changing what we know about the evolutionary purpose of sleep.

Sleep and memory are inextricably linked. And yet, about one in three adults in the U.S. report not getting enough sleep or rest every single day, according to the Centers for Disease Control and ...

Getting good sleep is an important part of wellness for many reasons, but new research suggests deep sleep may even guard against memory loss linked to Alzheimer's. While disrupted sleep has been ...

Memory and cognitive symptoms were tied to self-reported sleep apnea, cross-sectional data from the National Health and Nutrition Examination Survey (NHANES) showed. In a survey of more than 4,200 U.S ...

Here’s a fact that might surprise you: we really do not know why we sleep. Of course, we sleep because our bodies demand it; we know we require sleep for our survival. But we’ve yet to discover the ...