Stages 1-4 are known as the NREM, or non - rapid eye movement periods.    From Wordnik.com.  [Serendip's Exchange] Reference

The sleep cycle begins with four stages of SWS (Slow-Wave Sleep), also called NREM (Non-REM).    From Wordnik.com.  [I had the most boring dream!] Reference

Stages 1 - 4 are also referred to as NREM (non rapid eye movement) sleep, and account for the majority of sleep time.    From Wordnik.com.  [Conservapedia - Recent changes [en]] Reference

Now NREM - non rapid eye movement is the state where there is barely any eye movement.    From Wordnik.com.  [REM state] Reference

The most common parasomnias are the ‘disorders of arousal’, which arise from NREM sleep, particularly the deepest stages slow-wave sleep.    From Wordnik.com.  [weapons of massdistraction › Disorders Of Arousal] Reference

NREM sleep is followed by REM sleep, which occurs four to five.    From Wordnik.com.  [WN.com - Articles related to Sleeping altitude more important than skiing altitude] Reference

Stickgold and his colleagues wanted to know about NREM, or non-REM sleep.    From Wordnik.com.  [Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews] Reference

Sleep progresses through four NREM stages, which take nearly 70 to 90 minutes.    From Wordnik.com.  [Serendip's Exchange -] Reference

Normal sleep comprises cycles of non-rapid eye movement (NREM) and rapid eye movement.    From Wordnik.com.  [WN.com - Articles related to Sleeping altitude more important than skiing altitude] Reference

Thereafter, the individual enters into a REM sleep episode followed by reentry into NREM.    From Wordnik.com.  [Serendip's Exchange -] Reference

It also states that Sleep Paralysis normally occurs during REM which is 80 minutes after NREM.    From Wordnik.com.  [Serendip's Exchange -] Reference

It occurs when: - transitions between different NREM stages of sleep do not go smoothly - during.    From Wordnik.com.  [Conservapedia - Recent changes [en]] Reference

During NREM sleep, the cerebral cortex loses its ability to associate with other parts of the brain.    From Wordnik.com.  [Penn State Live] Reference

The human sleep cycle is made up of cycles of rapid eye movement (REM) and non-REM (NREM) sleep phases.    From Wordnik.com.  [Serendip's Exchange -] Reference

Stickgold wanted to know what people were dreaming about when their eyes weren't moving, during NREM sleep.    From Wordnik.com.  [Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews] Reference

During each night, individuals experience approximately five cycles of NREM sleep and REM sleep (Srinivasan).    From Wordnik.com.  [Serendip's Exchange -] Reference

The natural dream cycle lasts approximately ninety minutes as the body cycles between REM and NREM (Non-REM) sleep.    From Wordnik.com.  [Serendip's Exchange -] Reference

Periods of NREM sleep constitute nearly 80\% of the total sleep time while REM sleep accounts for 20\% of the sleep time.    From Wordnik.com.  [Serendip's Exchange -] Reference

In their patients sleep-related respiratory noises occurred mainly during light NREM sleep and diminished during REM sleep.    From Wordnik.com.  [Medlogs - Recent stories] Reference

In other studies, scientists had found a connection between NREM brain activity and learning ability in rats and in people.    From Wordnik.com.  [Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews] Reference

It appears that my body skips the NREM stage and plunges me straight into REM even though I am not properly asleep yet.    From Wordnik.com.  [Serendip's Exchange -] Reference

The children find themselves in a state of transition from one sleep cycle to the next, non-rapid eye movement (NREM), to wakefulness.    From Wordnik.com.  [WN.com - Articles related to Another Weapon Against Flu: Sleep] Reference

You see in the artilce above it starts that NREM occurs for the first 80 mins of sleep than REM occurs for 10 mins and repeats this cycle a few times.    From Wordnik.com.  [Serendip's Exchange -] Reference

While this appears as though it is lighter sleep since the brainwaves are similar to Stage One of NREM sleep, we are almost completely paralyzed during REM.    From Wordnik.com.  [Comments for Rocket News] Reference

Subjects awakened from NREM sleep often recall still images from their dreams, explains Bixler, but in order to dream in "live action," a sleeper must reach the REM stage.    From Wordnik.com.  [Penn State Live] Reference

It can also occur during NREM sleep at which time it represents a motor breakthrough (see sleep paralysis) of dream speech (the words spoken in a dream are uttered out loud).    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference

If you see read academic research studies where they don't allow patients to get Slow Wave Sleep (Stage 3 and Stage 4 NREM Sleep Combined) the symptoms are similar to Autism.    From Wordnik.com.  [Blogging Change] Reference

During NREM sleep, a body produces few movement, but the body has capability of tossing about in bed and producing some other motor events, such as sleepwalking and sleeptalking.    From Wordnik.com.  [Serendip's Exchange -] Reference

Typically, episodes happen early in the night, soon after the individual has fallen asleep and is in the deep, dreamless "slow wave" or non-rapid eye movement NREM stage of sleep.    From Wordnik.com.  [Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph] Reference

"Disruption of Endocrine Rhythms in Sleeping Sickness with Preserved Relationship between Hormonal Pulsatility and the REM-NREM Sleep Cycles," Journal of Biological Rhythms 11, no.    From Wordnik.com.  [T.S. Wiley: Can Sleep Loss Destroy Your Immune System?] Reference

Although there are common features between SP and REM sleep, such as they both occur during changes in the degree of wakefulness and both involve the loss of muscle tone, SP usually occurs before periods of NREM.    From Wordnik.com.  [Serendip's Exchange -] Reference

Transitions between different NREM stages of sleep do not go smoothly.    From Wordnik.com.  [Conservapedia - Recent changes [en]] Reference

Similarly, across the baseline night, the three genotypes did not differ significantly in slow-wave energy (SWE) of the delta band in NREM sleep calculated from the C3 (.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

(NREM) and rapid eye movement (REM).    From Wordnik.com.  [WN.com - Articles related to Sleep debt] Reference

REM; and non-rapid eye movement, or NREM.    From Wordnik.com.  [Penn State Live] Reference

NREM is the longer, lighter stage of sleep.    From Wordnik.com.  [Penn State Live] Reference

NREM sleep has four stages or depth levels.    From Wordnik.com.  [Comments for Rocket News] Reference

RE: 80 minutes into NREM.    From Wordnik.com.  [Serendip's Exchange -] Reference

NREM sleep is.    From Wordnik.com.  [WN.com - Articles related to A New Method To Screen Sleep Disorders At Home] Reference

Non Rapid Eye Movement Sleep (NREM).    From Wordnik.com.  [Comments for Rocket News] Reference