Sleep - Revision history

Conservative: /* Good sleept habits */

2025-06-30T21:15:52Z

‎Good sleept habits

Conservative: /* External links */

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‎External links

Conservative at 21:01, June 30, 2025

2025-06-30T21:01:28Z

Conservative at 21:01, June 30, 2025

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Conservative: /* External links */

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‎External links

Conservative: /* Etymology */

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‎Etymology

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‎top: HTTP --> HTTPS #3, replaced: http://www.ncbi.nlm.nih.gov → https://www.ncbi.nlm.nih.gov

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Npov2 at 02:45, April 20, 2014

2014-04-20T02:45:53Z

Npov2: add link to source (The source itself is cited by Wikipedia, that is how I found it)

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add link to source (The source itself is cited by Wikipedia, that is how I found it)

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 Since sleep is a fairly basic, but abstract, concept, the morphology of the corresponding word is useful in historical [[linguistics]] for determining fine relationships between related languages. The [[noun]] ''sleep'' and its derived [[verb]] and [[adjective]] forms ''to sleep, sleepy'' in English both originate from a common Germanic root *SLAEP, as exemplified by the many cognates of the word in other Germanic languages such as the Dutch ''slaap, slapen, slaperig'' and the German ''Schlaf, schlafen, schläfrig.''
-== Good sleept habits ==
+== Good sleep habits ==
 Articles:

@@ Line 8: / Line 8: @@
 Since sleep is a fairly basic, but abstract, concept, the morphology of the corresponding word is useful in historical [[linguistics]] for determining fine relationships between related languages. The [[noun]] ''sleep'' and its derived [[verb]] and [[adjective]] forms ''to sleep, sleepy'' in English both originate from a common Germanic root *SLAEP, as exemplified by the many cognates of the word in other Germanic languages such as the Dutch ''slaap, slapen, slaperig'' and the German ''Schlaf, schlafen, schläfrig.''
-== External links ==
+== Good sleept habits ==
 *[https://www.mayoclinic.org/healthy-lifestyle/adult-health/in-depth/sleep/art-20048379 Sleep tips: 6 steps to better sleep], Mayo Clinic

← Older revision		Revision as of 21:01, June 30, 2025
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−	[[File:Sleeping Girl with a Cat.jpg\|~~300px~~]]	+	[[File:Sleeping Girl with a Cat.jpg\|right\|100px]]
	'''Sleep''' is a bodily state in which the body and [[mind]] rest. Almost all animals must sleep regularly to survive. However, sleep seems to play in important role in growth and memory processing, and sleep deprivation can lead to immune system deficiencies and a significant decrease in judgment and reaction time.		'''Sleep''' is a bodily state in which the body and [[mind]] rest. Almost all animals must sleep regularly to survive. However, sleep seems to play in important role in growth and memory processing, and sleep deprivation can lead to immune system deficiencies and a significant decrease in judgment and reaction time.

← Older revision		Revision as of 21:01, June 30, 2025
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		+	[[File:Sleeping Girl with a Cat.jpg\|300px]]
	'''Sleep''' is a bodily state in which the body and [[mind]] rest. Almost all animals must sleep regularly to survive. However, sleep seems to play in important role in growth and memory processing, and sleep deprivation can lead to immune system deficiencies and a significant decrease in judgment and reaction time.		'''Sleep''' is a bodily state in which the body and [[mind]] rest. Almost all animals must sleep regularly to survive. However, sleep seems to play in important role in growth and memory processing, and sleep deprivation can lead to immune system deficiencies and a significant decrease in judgment and reaction time.

← Older revision		Revision as of 21:00, June 30, 2025
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	== External links ==		== External links ==
		+
		+	*[https://www.mayoclinic.org/healthy-lifestyle/adult-health/in-depth/sleep/art-20048379 Sleep tips: 6 steps to better sleep], Mayo Clinic
		+	*[https://www.health.harvard.edu/newsletter_article/8-secrets-to-a-good-nights-sleep 8 secrets to a good night's sleep], Harvard Health Publishing
		+	*[https://www.healthline.com/nutrition/17-tips-to-sleep-better Top 15 Proven Tips to Sleep Better at Night], Healthline.com
		+	*[https://www.hopkinsmedicine.org/health/wellness-and-prevention/natural-sleep-aids-home-remedies-to-help-you-sleep Natural Sleep Aids: Home Remedies to Help You Sleep], John Hopkins Medicine

	Videos:		Videos:

← Older revision		Revision as of 20:56, June 30, 2025
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	Since sleep is a fairly basic, but abstract, concept, the morphology of the corresponding word is useful in historical [[linguistics]] for determining fine relationships between related languages. The [[noun]] ''sleep'' and its derived [[verb]] and [[adjective]] forms ''to sleep, sleepy'' in English both originate from a common Germanic root *SLAEP, as exemplified by the many cognates of the word in other Germanic languages such as the Dutch ''slaap, slapen, slaperig'' and the German ''Schlaf, schlafen, schläfrig.''		Since sleep is a fairly basic, but abstract, concept, the morphology of the corresponding word is useful in historical [[linguistics]] for determining fine relationships between related languages. The [[noun]] ''sleep'' and its derived [[verb]] and [[adjective]] forms ''to sleep, sleepy'' in English both originate from a common Germanic root *SLAEP, as exemplified by the many cognates of the word in other Germanic languages such as the Dutch ''slaap, slapen, slaperig'' and the German ''Schlaf, schlafen, schläfrig.''
		+
		+	== External links ==
		+
		+	Videos:
		+
		+	*[https://www.youtube.com/playlist?list=PLbjmSS6LZDGph6O6z26fai2IoDWl8pV2O Tips for better sleep - video playlist], Video playlist

	== Notes ==		== Notes ==

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 '''Sleep''' is a bodily state in which the body and [[mind]] rest. Almost all animals must sleep regularly to survive. However, sleep seems to play in important role in growth and memory processing, and sleep deprivation can lead to immune system deficiencies and a significant decrease in judgment and reaction time.
-Sleep occurs in several stages, which vary in the type and intensity of the [[brain]] activity that occurs, which is measured via [[EEG]].  Stage 1 sleep<ref>Technically, stage "N1," the "N" standing for "Non-Rapid Eye Movement."</ref> is characterized primarily by an alpha and theta EEG waves.  During stage 2<ref>Now known as stage "N2."</ref> theta waves predominate, and the sleeper becomes less aware of the environment.  Stage 3 is also referred to as ''slow-wave sleep'', and is characterized by a delta wave EEG pattern.  (Formerly, slow-wave sleep was divided into stages 3 and 4; however, there is no sharp, qualitative difference between stages 3 and 4, and so the American Academy of Sleep Medicine revised the staging system, combining the former stages 3 and 4.<ref>This stage is now known as "N3."  ''See'' Ron Shatzmiller, M.Sc., M.D., Andres Gonzalez, M.D., David Ko, M.D. and Michelle Zeidler, M.D. (chief editor: Selim Benbadis, M.D.), "[http://emedicine.medscape.com/article/1188142-overview Sleep Stage Scoring,]"  eMedicine.Medscape.com.</ref><ref>''See also'' Hartmut Schulz, Ph.D., "[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2335403/ Rethinking Sleep Analysis:  Comment on the AASM Manual for the Scoring of Sleep and Associated Events,]" ''Journal of Clinical Sleep Medicine'', April 15, 2008.</ref>)  Following NREM sleep, a person enters REM (rapid eye movement) sleep, which as the name suggests is characterized by rapid movements of the eyes and increased brain activity relative to the other sleep stages.  Although dreams occur in other sleep stages, dreams that are remembered after waking typically occur during REM sleep.  Most people cycle through the stages of sleep several times each night, with each cycle lasting about 90–120 minutes.
+Sleep occurs in several stages, which vary in the type and intensity of the [[brain]] activity that occurs, which is measured via [[EEG]].  Stage 1 sleep<ref>Technically, stage "N1," the "N" standing for "Non-Rapid Eye Movement."</ref> is characterized primarily by an alpha and theta EEG waves.  During stage 2<ref>Now known as stage "N2."</ref> theta waves predominate, and the sleeper becomes less aware of the environment.  Stage 3 is also referred to as ''slow-wave sleep'', and is characterized by a delta wave EEG pattern.  (Formerly, slow-wave sleep was divided into stages 3 and 4; however, there is no sharp, qualitative difference between stages 3 and 4, and so the American Academy of Sleep Medicine revised the staging system, combining the former stages 3 and 4.<ref>This stage is now known as "N3."  ''See'' Ron Shatzmiller, M.Sc., M.D., Andres Gonzalez, M.D., David Ko, M.D. and Michelle Zeidler, M.D. (chief editor: Selim Benbadis, M.D.), "[http://emedicine.medscape.com/article/1188142-overview Sleep Stage Scoring,]"  eMedicine.Medscape.com.</ref><ref>''See also'' Hartmut Schulz, Ph.D., "[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2335403/ Rethinking Sleep Analysis:  Comment on the AASM Manual for the Scoring of Sleep and Associated Events,]" ''Journal of Clinical Sleep Medicine'', April 15, 2008.</ref>)  Following NREM sleep, a person enters REM (rapid eye movement) sleep, which as the name suggests is characterized by rapid movements of the eyes and increased brain activity relative to the other sleep stages.  Although dreams occur in other sleep stages, dreams that are remembered after waking typically occur during REM sleep.  Most people cycle through the stages of sleep several times each night, with each cycle lasting about 90–120 minutes.
 ==Etymology==