Sleep (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sleep" in Simple English language version.

Last modified: 11:27:17, 15 August 2026 (UTC)

Ref.Un. Ref.Website

Global rank Simple English rank

119web.archive.org

1^st place

82sleepfoundation.org

low place

5,803^rd place

44sustainabilitist.com

low place

4,880^th place

31healthline.com

6,150^th place

765^th place

31etymonline.com

669^th place

169^th place

22nih.gov

5^th place

11hopkinsmedicine.org

6,205^th place

3,070^th place

11youtube.com

13^th place

23^rd place

11sleep.org

low place

11uzh.ch

1,380^th place

6,141^st place

11petmd.com

low place

3,922^nd place

11tuck.com

low place

11healthychildren.org

low place

11pamf.org

low place

6,292^nd place

11sleephabits.net

low place

11cnn.com

36^th place

21^st place

11activebeat.com

low place

11alaskasleep.com

low place

11verywellfamily.com

low place

11apartmenttherapy.com

low place

11greatist.com

low place

activebeat.com (Global: low place; Simple English: low place)

"10 Bedtime Habits Ruining Your Restful Sleep". 20 March 2013. Archived from the original on 2019-03-25. Retrieved 2019-03-25.

alaskasleep.com (Global: low place; Simple English: low place)

Hines, Jennifer. "The 4 Most Common Sleep Disorders: Symptoms and Prevalence". www.alaskasleep.com. Archived from the original on 2019-03-25. Retrieved 2019-03-25.

apartmenttherapy.com (Global: low place; Simple English: low place)

"7 Bedroom Essentials for a Good Night's Sleep". Apartment Therapy. 19 September 2014. Retrieved 2019-03-25.

cnn.com (Global: 36^th place; Simple English: 21^st place)

archives.cnn.com

Rhonda Rowland (2002). "Experts challenge study linking sleep, life span". Archived from the original on 2010-04-20. Retrieved 2007-04-22.

etymonline.com (Global: 669^th place; Simple English: 169^th place)

"Online Etymology Dictionary". Retrieved 29 September 2010.

greatist.com (Global: low place; Simple English: low place)

"The best (and worst) positions for sleeping". Greatist. 2014-10-21. Retrieved 2019-03-25.

healthline.com (Global: 6,150^th place; Simple English: 765^th place)

"The Science of Sleep: why you need 7 to 8 hours a night". Healthline. 2013-05-06. Archived from the original on 2019-03-25. Retrieved 2019-03-25.

healthychildren.org (Global: low place; Simple English: low place)

"Healthy Sleep Habits: How Many Hours Does Your Child Need?". HealthyChildren.org. Retrieved 2019-03-25.

hopkinsmedicine.org (Global: 6,205^th place; Simple English: 3,070^th place)

"The Effects of Sleep Deprivation". www.hopkinsmedicine.org. Retrieved 2019-03-25.

nih.gov (Global: 5^th place; Simple English: 5^th place)

meshb.nlm.nih.gov

"MeSH Browser". meshb.nlm.nih.gov. Retrieved 2026-04-01.

ncbi.nlm.nih.gov

Low P.S. et al 2008. Mammalian-like features of sleep structure in zebra finches. PNAS 105, 26, 9081-9086. Discussion section.

pamf.org (Global: low place; Simple English: 6,292^nd place)

"Sleep Needs | Young Adult Health Information". www.pamf.org. Archived from the original on 2019-04-06. Retrieved 2019-03-25.

petmd.com (Global: low place; Simple English: 3,922^nd place)

"Why Do Cats Sleep So Much?". www.petmd.com. Retrieved 2021-09-27.

sleep.org (Global: low place; Simple English: low place)

"What is the ideal nap length". Sleep.org. Retrieved 2019-03-25.

sleepfoundation.org (Global: low place; Simple English: 5,803^rd place)

"What Happens When You Sleep? - National Sleep Foundation". www.sleepfoundation.org. 22 December 2009. Retrieved 2019-03-25.
"Let Sleep Work for You - National Sleep Foundation". www.sleepfoundation.org. Retrieved 2026-06-15.

sleephabits.net (Global: low place; Simple English: low place)

Jordan, Paul. "Sleep Requirements By Age - From Newborn to Old Age". Sleep Habits. Archived from the original on 2019-03-25. Retrieved 2019-03-25.

sustainabilitist.com (Global: low place; Simple English: 4,880^th place)

"Sleep optimization: the cost of sleep deficit". sustainabilitist.com. 16 January 2021. Retrieved 2021-09-27.
"Sleep Optimization | The Sustainabilitist". 2021-01-16. Retrieved 2023-02-10.
"Sleep Optimization | The Sustainabilitist". 2021-01-16. Retrieved 2023-02-08.
"Sleep Optimization: Sleep planning". sustainabilitist.com. 16 January 2021. Retrieved 2021-09-27.

tuck.com (Global: low place; Simple English: low place)

"Stages of Sleep - Non-REM and REM Sleep Cycles". Tuck Sleep. Archived from the original on 2019-03-25. Retrieved 2019-03-25.

uzh.ch (Global: 1,380^th place; Simple English: 6,141^st place)

pharma.uzh.ch

Alexander Borbély: Das Geheimnis des Schlafs Archived 2010-12-19 at the Wayback Machine. Deutsche Verlags-Anstalt, Stuttgart 1984. ISBN 3-421-02734-X

verywellfamily.com (Global: low place; Simple English: low place)

Lee, Katherine. "Ways to get good sleep habits in your child". Verywell Family. Archived from the original on 2019-03-25. Retrieved 2019-03-25.

web.archive.org (Global: 1^st place; Simple English: 1^st place)

"The Science of Sleep: why you need 7 to 8 hours a night". Healthline. 2013-05-06. Archived from the original on 2019-03-25. Retrieved 2019-03-25.
Alexander Borbély: Das Geheimnis des Schlafs Archived 2010-12-19 at the Wayback Machine. Deutsche Verlags-Anstalt, Stuttgart 1984. ISBN 3-421-02734-X
"Stages of Sleep - Non-REM and REM Sleep Cycles". Tuck Sleep. Archived from the original on 2019-03-25. Retrieved 2019-03-25.
"Sleep Needs | Young Adult Health Information". www.pamf.org. Archived from the original on 2019-04-06. Retrieved 2019-03-25.
Jordan, Paul. "Sleep Requirements By Age - From Newborn to Old Age". Sleep Habits. Archived from the original on 2019-03-25. Retrieved 2019-03-25.
Rhonda Rowland (2002). "Experts challenge study linking sleep, life span". Archived from the original on 2010-04-20. Retrieved 2007-04-22.
"10 Bedtime Habits Ruining Your Restful Sleep". 20 March 2013. Archived from the original on 2019-03-25. Retrieved 2019-03-25.
Hines, Jennifer. "The 4 Most Common Sleep Disorders: Symptoms and Prevalence". www.alaskasleep.com. Archived from the original on 2019-03-25. Retrieved 2019-03-25.
Lee, Katherine. "Ways to get good sleep habits in your child". Verywell Family. Archived from the original on 2019-03-25. Retrieved 2019-03-25.

youtube.com (Global: 13^th place; Simple English: 23^rd place)

Bun Bun 2 (2017-10-09), Why do people take naps?, retrieved 2019-03-25{{citation}}: CS1 maint: numeric names: authors list (link)

Sleep (Simple English Wikipedia)

activebeat.com (Global: low place; Simple English: low place)

alaskasleep.com (Global: low place; Simple English: low place)

apartmenttherapy.com (Global: low place; Simple English: low place)

cnn.com (Global: 36th place; Simple English: 21st place)

archives.cnn.com

etymonline.com (Global: 669th place; Simple English: 169th place)

greatist.com (Global: low place; Simple English: low place)

healthline.com (Global: 6,150th place; Simple English: 765th place)

healthychildren.org (Global: low place; Simple English: low place)

hopkinsmedicine.org (Global: 6,205th place; Simple English: 3,070th place)

nih.gov (Global: 5th place; Simple English: 5th place)

meshb.nlm.nih.gov

ncbi.nlm.nih.gov

pamf.org (Global: low place; Simple English: 6,292nd place)

petmd.com (Global: low place; Simple English: 3,922nd place)

sleep.org (Global: low place; Simple English: low place)

sleepfoundation.org (Global: low place; Simple English: 5,803rd place)

sleephabits.net (Global: low place; Simple English: low place)

sustainabilitist.com (Global: low place; Simple English: 4,880th place)

tuck.com (Global: low place; Simple English: low place)

uzh.ch (Global: 1,380th place; Simple English: 6,141st place)

pharma.uzh.ch

verywellfamily.com (Global: low place; Simple English: low place)

web.archive.org (Global: 1st place; Simple English: 1st place)

youtube.com (Global: 13th place; Simple English: 23rd place)

cnn.com (Global: 36^th place; Simple English: 21^st place)

etymonline.com (Global: 669^th place; Simple English: 169^th place)

healthline.com (Global: 6,150^th place; Simple English: 765^th place)

hopkinsmedicine.org (Global: 6,205^th place; Simple English: 3,070^th place)

nih.gov (Global: 5^th place; Simple English: 5^th place)

pamf.org (Global: low place; Simple English: 6,292^nd place)

petmd.com (Global: low place; Simple English: 3,922^nd place)

sleepfoundation.org (Global: low place; Simple English: 5,803^rd place)

sustainabilitist.com (Global: low place; Simple English: 4,880^th place)

uzh.ch (Global: 1,380^th place; Simple English: 6,141^st place)

web.archive.org (Global: 1^st place; Simple English: 1^st place)

youtube.com (Global: 13^th place; Simple English: 23^rd place)