[DOC] [TLE] Stages of Sleep - Sleepdex [PAR] Usually sleepers pass through five stages: 1, 2, 3, 4 and REM (rapid eye ... These 
stages progress cyclically from 1 through REM then begin again with stage 1. ... 
The first sleep cycles each night have relatively short REM sleeps and long 
periods of deep sleep but later in the night, REM periods lengthen and deep 
sleep... [DOC] [TLE] Sleep Stages Overview, Sleep Cycle - HealthCommunities.com [PAR] Nov 30, 2000 ... Since the early twentieth century, human sleep has been described as a 
succession ... These are deep sleep stages, with Stage 4 being more intense 
than Stage 3. ... The first period of REM typically lasts 10 minutes, with each 
recurring REM ... So a person may complete five cycles in a typical night's sleep. [DOC] [TLE] Sleep Disorders - Anxiety Care UK [PAR] Stage Two Sleep begins soon after falling asleep, usually within the first 5 to 10 
minutes. ... The last REM period of the night usually produces the most vivid and 
easily ... Short acting benzodiazepines seem to be the treatment of choice. ... This 
might involve waking early in the morning, or during the night and then finding it... [DOC] [TLE] Insomnia (Poor Sleep). What is Insomnia and insomnia symptoms ... [PAR] In addition, several short periods of waking for 1-2 minutes occur about every two 
... Most people establish a pattern that is normal for them in their early adult life. ... 
You may then have an impression of having a bad night's sleep, even when the 
... By type. Primary insomnia is insomnia that occurs when no illness or other... [DOC] [TLE] Common Age by Stage Sleep Schedules | Baby Sleep Science [PAR] Feb 12, 2014 ... Age of Baby, Number of Naps, Nap Spacing, Day Sleep Notes ... 4 months  
single sleep cycle (30-45 mins naps) are still normal (see ... Night lengthens (
earlier bedtime) after the 2-1 nap transition. ... A napping 3 year old will have a 
shorten night than a napping 18 month old. ... Long period of regularity. [DOC] [TLE] Brain Basics: Understanding Sleep [PAR] Jul 25, 2014 ... Fact sheet on normal sleep and sleep disorders developed by the National ... 
These stages progress in a cycle from stage 1 to REM sleep, then the cycle ... 
The first sleep cycles each night contain relatively short REM periods and long ... 
Microsleeps, or very brief episodes of sleep in an otherwise awake... [DOC] [TLE] Sleep Physiology - Sleep Disorders and Sleep Deprivation - NCBI ... [PAR] CHAPTER SUMMARY This chapter provides a brief overview of sleep physiology 
... A sleep episode begins with a short period of NREM stage 1 progressing ... In 
normal adults, REM sleep increases as the night progresses and is ... Stage 2 
sleep lasts approximately 10 to 25 minutes in the initial cycle and lengthens with
... [DOC] [TLE] Baby sleep patterns for the science-minded - Parenting Science [PAR] At birth, baby sleep patterns aren't cued to the natural cycle of day and night. ... 
Until that happens, babies are unlikely to settle" for lengthy periods during the 
night. ... sleep states--active and quiet--and their sleep cycles are short, only 50-
60 minutes for ... And, throughout early childhood, kids spend a lot time in REM 
sleep. [DOC] [TLE] Babies and Sleep - Pediatric Services [PAR] Different things work with different children, for the simple reason that all ... 
Moving the bath to early evening will help the infant calm and prepare for his last 
... longer initial periods of uninterrupted sleep in a short time, usually within 3 to 7 
days. ... Allowing the very young infant long periods of uninterrupted night sleep 
does... [DOC] [TLE] Sleep - Wikipedia [PAR] Sleep is a naturally recurring state of mind and body characterized by altered 
consciousness, .... The whole period normally proceeds in the order: N1  N2  
N3  N2 ... There is a greater amount of deep sleep (stage N3) earlier in the 
night, while the .... Short pulses of light, at the right moment in the circadian

Question: Normally, the periods of this type of sleep are short early in the night, then lengthen
Answer: REM sleep