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Rapid eye movement sleep


When the body shifts into REM sleep, motor neurons throughout the body undergo a process called hyperpolarization: their already-negative membrane ...

Stages of Sleep: REM and Non-REM Sleep Cycles - WebMD


WebMD explains the stages of sleep -- REM and non-REM -- and how age affects these cycles.

Stages of Sleep: REM and Non-REM Sleep Cycles - WebMD


Oct 22, 2014 ... REM stands for rapid eye movement. During REM sleep, your eyes move quickly in different directions. That doesn't happen during non-REM ...

Definition: This is one of the two basic states of sleep and is notable for a presence of rapid eye movement (REM). It is a deep stage of sleep with intense brain activity in the forebrain and midbrain. If you watch closely, you can see his eyelids fluttering during R... More »
By Brandon Peters, M.D., About.com Guide

Brain Basics: Understanding Sleep : National Institute of ...


Jul 25, 2014 ... These stages progress in a cycle from stage 1 to REM sleep, then the .... in parts of the brain that control emotions, decision-making processes, ...

Why do we dream? - The REM state


When subjects were awoken from non REM sleep however, significantly fewer ... the computer was seized upon to explain many processes, including dreaming.

Sleep, Learning, and Memory | Healthy Sleep


Dec 18, 2007 ... Consolidation represents the processes by which a memory becomes ... Scientists hypothesized that REM sleep played an essential role in the ...

Sleep - How Sleep Works - Neurological Mechanisms of Sleep


The processes of sleep and wakefulness are mediated by networks of ... decreasing activity during non-REM sleep, and its lowest levels during REM sleep ...

Neuroscience for Kids - Sleep


Infants spend about 50% of their sleep time in NREM and 50% in REM sleep. Adults spend about 20% of .... Sleep as a Restorative Process. This theory of sleep ...

Popular Q&A
Q: What Are the Characteristics of REM Sleep?
A: Brain Waves. During the REM cycle, brain waves are irregular and brief, with large bursts of ocular activity. The REM period of sleep is where the most visually... Read More »
Source: www.ehow.com
Q: What is REM Sleep?
A: Rapid Eye Movement (REM) sleep refers to the final stage in the sleep cycle when the body's muscles are totally relaxed, but the eyes move rapidly back and fort... Read More »
Source: www.ehow.com
Q: How long is REM sleep?
A: It varies throughout the night. A single REM cycle can last anywhere from five minutes to an hour. Read More »
Source: wiki.answers.com
Q: What sleep stage is REM?
A: REM is during stage 3 and 4 where most of the dreaming occurs. Read More »
Source: wiki.answers.com
Q: How does REM sleep benefit the human psyche and what can hinder t...
A: Humans need to dream to stay sane. Alcohol. Read More »
Source: answers.yahoo.com