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Topic: Sleep

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In the News (Mon 22 Oct 18)

  Sleep -- Encarta ® Online Deluxe
Sleep is distinguished from other sleeplike states, for instance, hibernation or coma, because it is easily interrupted by external stimulation, such as a loud noise.
REM sleep is generated by a region in the brainstem, called the pons, and adjacent portions of the midbrain.
Sleep may have evolved to protect animals from their predators by reducing their activity during the times when they are most vulnerable.
www.npi.ucla.edu /sleepresearch/encarta/Article.htm   (2060 words)

 How Much Sleep Is Enough for My Child?
Sleep — or lack of it — is probably the most-discussed aspect of baby care.
The quality and quantity of an infant's sleep affects the well-being of everyone in the household — it's the difference between being cheerful, alert parents and members of the walking dead.
Most children's sleep requirements fall within a predictable range of hours based on their age, but each child is a unique individual with distinct sleep needs.
kidshealth.org /parent/general/sleep/sleep.html   (2051 words)

 Brain Basics: Understanding Sleep: National Institute of Neurological Disorders and Stroke (NINDS)
Sleep deprivation is an effective therapy for people with certain types of depression, while it can actually cause depression in other people.
Sleep apnea is a disorder of interrupted breathing during sleep.
Mild sleep apnea frequently can be overcome through weight loss or by preventing the person from sleeping on his or her back.
www.ninds.nih.gov /disorders/brain_basics/understanding_sleep.htm   (4947 words)

San Jose's Stoner Rock legends Sleep evolved in the early 90's from the Crust Punk band Asbestos Death which was established by Cisneros, Hakius and guitarist Tom Choi.
Sleep debuted with 1991's ‘Volume One’ album, recorded for small San Francisco Indie label Tupelo, who had earlier hit paydirt by picking up the rights to Nirvana's 'Bleach' in Europe.
SLEEP disbanded soon after as a result, but the unreleased Jerusalem recordings gathered legendary status among the Stoner Rock cognescenti.
www.earache.com /bands/sleep/sleep.html   (536 words)

 Sleep - Wikipedia, the free encyclopedia
Both REM sleep and NREM sleep stages 3 and 4 are homeostatically driven; that is, selective deprivation of each of these states subsequently causes a rebound in their appearance once the person is allowed to sleep.
REM sleep may also be driven by a circadian oscillator, as studies have shown that REM is temporally coupled with the circadian rhythm of temperature.
The cycle of sleep and wakefulness is regulated by the brain stem, thalamus, external stimuli, and various hormones produced by the hypothalamus.
en.wikipedia.org /wiki/Sleep   (2983 words)

 Sleep   (Site not responding. Last check: 2007-09-11)
So sleep is probably devoted to the removal of waste products from the nervous system (and elsewhere, of course), especially the build up of neurotransmitters and hormones between cells.
Sleep walking is where a person gets out of bed and wanders about, sometimes doing routine activities such as getting dressed.
Typically, people with sleep apnea go to a sleep clinic, where they are monitored with EEG and other devices, to determine the extent of their problem.
www.ship.edu /~cgboeree/genpsysleep.html   (1819 words)

Sleeping is one of the most important functions in life.
In fact, sleep is as essential for a healthy body and mind as anything else you do during the day.
If you have the chance to watch a friend or family member sleep, check to see if their eyes are moving back and forth, like they are watching a movie underneath closed eyelids.
www.pamf.org /teen/health/diseases/sleep.html   (916 words)

 MedlinePlus Medical Encyclopedia: Sleep disorders
Narcolepsy is a condition of daytime sleep attacks as well as other features that may include sleep paralysis and hypnagogic hallucinations (hallucinations that happen at the time between wakefullness and sleep).
Sleep terror disorder is an abrupt awakening from sleep with fear, sweating, rapid heart rate, and confusion.
Sleep apnea is treated with weight reduction and the administration of air under pressure through the nose.
www.nlm.nih.gov /medlineplus/ency/article/000800.htm   (996 words)

 Sleep — Detailed explanations of both basic and medical information pertaining to this nightly activity on ...
During sleep, we usually pass through five phases of sleep: stages 1, 2, 3, 4, and REM (rapid eye movement) sleep.
When we enter stage 2 sleep, our eye movements stop and our brain waves (fluctuations of electrical activity that can be measured by electrodes) become slower, with occasional bursts of rapid waves called sleep spindles.
Since sleep and wakefulness are influenced by different neurotransmitter signals in the brain, foods and medicines that change the balance of these signals affect whether we feel alert or drowsy and how well we sleep.
www.medicinenet.com /sleep/article.htm   (1058 words)

The sleep() function shall cause the calling thread to be suspended from execution until either the number of realtime seconds specified by the argument seconds has elapsed or a signal is delivered to the calling thread and its action is to invoke a signal-catching function or to terminate the process.
If a SIGALRM signal is generated for the calling process during execution of sleep(), except as a result of a prior call to alarm(), and if the SIGALRM signal is not being ignored or blocked from delivery, it is unspecified whether that signal has any effect other than causing sleep() to return.
If a signal-catching function interrupts sleep() and calls siglongjmp() or longjmp() to restore an environment saved prior to the sleep() call, the action associated with the SIGALRM signal and the time at which a SIGALRM signal is scheduled to be generated are unspecified.
www.opengroup.org /onlinepubs/009695399/functions/sleep.html   (852 words)

 Howstuffworks "How Sleep Works"
Sleep is one of those funny things about being a human being -- you just have to do it.
Growth hormone in children is secreted during sleep, and chemicals important to the immune system are secreted during sleep.
Sleep: we all need it, but how we get it is as varied as there are people.
www.howstuffworks.com /sleep.htm   (1078 words)

 Sleep definition - Medical Dictionary definitions of popular medical terms
Sleep is triggered by a complex group of hormones that are active in the main, and that respond to cues from the body itself and the environment.
During NREM sleep, the breathing and heart rate are slow and regular, the blood pressure is low, and the sleeper is relatively still.
REM sleep is characterized by irregular breathing and heart rate, and involuntary muscle jerks.
www.medterms.com /script/main/art.asp?articlekey=11243   (284 words)

 BBC - Science & Nature - Human Body and Mind - Sleep
Improve your sleep and improve your life with this comprehensive guide and tool kit, developed in collaboration with the UK's leading sleep scientists.
Robert Winston examines common sleep problems affecting the nation and attempts to answer some of the mysteries that still surround the world of sleep.
Sleeping problems in later life with Woman's Hour.
www.bbc.co.uk /science/humanbody/sleep   (300 words)

 Sleep Disorders and Problems: Symptoms, Tests, and Treatment
Sleep deprivation is a symptom of a sleep disorder.
Sleep apnea is a breathing interruption during sleep.
Sleep Disorders - An encyclopedia of sleep disorders, including definitions, who is at risk, diagnostic criteria, and treatment.
www.helpguide.org /life/sleep_disorders.htm   (2104 words)

 What Sleep Is and Why All Kids Need It
Not only is sleep necessary for your body, it's important for your brain, too.
Sleep is an individual thing and some kids need more than others.
It's very hard to wake up from this stage of sleep, and if you do wake up, you're sure to be out of it and confused for at least a few minutes.
kidshealth.org /kid/stay_healthy/body/not_tired.html   (1128 words)

 Open Directory - Health: Conditions and Diseases: Sleep Disorders   (Site not responding. Last check: 2007-09-11)
Sleep and Alcohol Survey - Created for a research project conducted at the Johns Hopkins University for the course 200.368 - Sleep, Dreams and Altered States of Consciousness.
Sleep and Health - A resource dedicated to advancing the public's knowledge of sleep disorders, alertness, mood, performance and other health related issues.
Sleep From A to Zzz - A study by ThinkQuest the complexity and importance of your daily biological ritual from apnea, insomnia, and sleep disorders to sociological and zoological facts.
dmoz.org /Health/Conditions_and_Diseases/Sleep_Disorders   (885 words)

 Sleep Apnea -- familydoctor.org   (Site not responding. Last check: 2007-09-11)
People who have sleep apnea stop breathing for 10 to 30 seconds at a time while they are sleeping.
If you are interested in meeting other people who have sleep apnea, you can visit the American Sleep Apnea Association's Web site to find the location of a support group near you.
Because some of the symptoms of sleep apnea occur while you're sleeping, the person you sleep with may notice it first.
familydoctor.org /212.xml   (780 words)

 Sleepless Society   (Site not responding. Last check: 2007-09-11)
Recent surveys show that Americans sleep seven hours each night on average, down from nine hours in 1910, when, without electricity, people generally went to sleep as darkness fell.
Beyond the observable consequences of sleep deprivation, why humans--or any animals, for that matter--need sleep remains largely a mystery.
During sleep, the brain may recharge its energy stores and shift the day's information that has been stored in temporary memory to regions of the brain associated with long-term memory.
www.fda.gov /fdac/features/1998/sleepsoc.html   (451 words)

 Amazon.com: Sleep (Scientific American Library Series,): Books: J. Allan Hobson   (Site not responding. Last check: 2007-09-11)
On the contrary, sleeping is a time of continual, spontaneous brain activity largely independent of external stimuli.
Through a brilliant examination of recent studies of sleep patterns, dreaming, and disorders such as insomnia, J. Allan Hobson reveals that we know about the physical basis of human consciousness and dispels many myths about sleeping.
For example, did you know that the sleep attacks of narcolepsy occur at periodic intervals of 90 - 100 minutes, during waking, a frequency that collides with the onset of REM during sleep.
www.amazon.com /Sleep-Scientific-American-Library-Hobson/dp/0716760142   (1059 words)

 Sleep by Andy Warhol
Seeing everybody so up all the time made me think that sleep was becoming pretty obsolete, so I decided I'd better quickly do a movie of a person sleeping.
Although planned as an eight-hour-long movie, Sleep was actually made by looping some of the footage.
The film was shot in the apartment of it's star, the poet John Giorno, with whom Warhol was having a sexual relationship at the time.
www.warholstars.org /filmch/sleep.html   (758 words)

 [No title]
If you are having sleep problems, whether you are not able to fall asleep, wake up too often, don't feel well-rested when you wake up in the morning, or simply want to improve the quality and quantity of your sleep, try as many of the following techniques below as possible:
This is particularly true for dairy and wheat products, as they may have effect on sleep, such as causing apnea, excess congestion, gastrointestinal upset, and gas, among others.
If you are used to watching TV or doing work in bed, you may find it harder to relax and to think of the bed as a place to sleep.
www.mercola.com /article/sleep.htm   (1568 words)

 Sleep: Baby's Sleep Patterns - iVillage
While rolling over, walking, and talking are important developmental landmarks for all babies, getting them to sleep through the night is a critical step...
My six-month-old son is yet to sleep for more than two hours during any given night.
Everyone says so, but who knew that getting a stretch of uninterrupted sleep would outrank global warming and...
parenting.ivillage.com /baby/bsleep/topics/0,,4rkd,00.html   (316 words)

 Sleep Center - MayoClinic.com
Find information on better sleep and sleep disorders, such as sleep apnea and insomnia.
Get better sleep and explore sleep disorders, such as insomnia and snoring.
Sleeping pills don't treat the underlying cause of insomnia.
www.mayoclinic.com /health/sleep/SL99999   (117 words)

 Sleepnet.com Homepage
This is an educational site devoted to improving sleep health worldwide
If you suspect that you have a sleep disorder you should seek care from a qualified professional.
Sleepnet.com does not endorse any products or services, including those mentioned in the sleep forums or presented in Google Ads.
www.sleepnet.com   (88 words)

 National Sleep Foundation
The National Sleep Foundation website uses Macromedia Flash content to improve your experience.
Sleep is a vital need, essential to a child's health and growth.
Find out about insomnia, sleep apnea, Restless Legs Syndrome and other sleep disorders by visiting NSF's new Sleep Disorders section.
www.sleepfoundation.org   (145 words)

 [No title]
The American Academy of Sleep Medicine has prepared a memo for the membership that summarizes utilization data for polysomnography services...
Sleep, Alertness and Fatigue Education in Residency (S.A.F.E.R)
Last Post: 10/18/2006 8:18:35 AM Preview: When is the AASM going to make a position on some basic standards of practice in pediatric sleep regarding Polysomnography?...
www.aasmnet.org   (272 words)

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