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Topic: NREM

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Rapid eye movement

Narcolepsy

Narcolepsy

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	Sleep -- Encarta ® Online Deluxe
		Brain wave activity during NREM sleep is dominated by large, slow waves that contrast markedly to the short, rapid wave patterns characteristic of REM sleep and the waking state.
		The neurons most critical to NREM sleep control are in the basal forebrain, the region of the brain lying in front of the hypothalamus.
		Narcolepsy is a sleep disorder that affects both NREM sleep and REM sleep mechanisms.
	www.npi.ucla.edu /sleepresearch/encarta/Article.htm (2060 words)

	MedlinePlus Medical Encyclopedia: Polysomnogram
		A polysomnograph is a test of sleep cycles and stages through the use of continuous recordings of brain waves (EEG), electrical activity of muscles, eye movement (electrooculogram), breathing rate, blood pressure, blood oxygen saturation, and heart rhythm and direct observation of the person during sleep.
		REM sleep is associated with dreaming and paralysis of body muscles (except for the eye and diaphragm muscles).
		A person with normal sleep usually has four to five cycles of REM and NREM sleep during a night.
	www.nlm.nih.gov /medlineplus/ency/article/003932.htm (547 words)

	Sleep - Wikipedia, the free encyclopedia
		Stage 1, with near-disappearance of the alpha waves seen in awake states, and appearance for the first time of theta waves.
		Sleep proceeds in cycles of NREM and REM phases.
		In humans, the cycle of REM and NREM is approximately 90 minutes.
	en.wikipedia.org /wiki/Sleep (3706 words)

	Narcolepsy Network, Inc. - MoreFAQs (Site not responding. Last check: 2007-10-10)
		Narcoleptic patients with automatic behavior may have hallucinations during the episodes.
		Polygraph recordings of sleepy subjects engaged in boring tasks show repeated "microsleeps," which are usually NREM sleep in non-narcoleptic subjects but may include features of REM sleep in narcoleptic patients; these microsleeps are probably partly responsible for automatic behavior.
		Automatic behavior may be difficult to distinguish from automatisms associated with partial complex seizures, absence status, postictal confusion, transient global amnesia, metabolic or drug-induced confusional states, fugue states, or simply daydreaming.
	www.charityadvantage.com /narcolepsynetwork/MoreFAQs.asp (5857 words)

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