No Sleep may refer to No Sleep album , the debut studio album by German pop girl group LaViVe No Sleep Jebediah song No Sleep Jebediah song No Sleep Wiz Khalifa song No Sleep Wiz Khalifa song No Sleep , a song by Sam Roberts from the album We Were Born in a Flame disambig nl No Sleep ... more details
Sleep on It may refer to Sleep on It TV series Sleep on It song dab Template Longcomment added to the page to prevent it being listed on Special Shortpages. ... more details
italictitle On Sleep or On Sleep and Sleeplessness Latin De somno et vigilia is a text by Aristotle , one of the Parva Naturalia . External links http etext.library.adelaide.edu.au a a8 sleep.html On sleep and sleeplessness , translated by J. I. Beare HTML Greek text http www.mikrosapoplous.gr aristotle mf peri ypnoy a.htm Mikros apoplous , http www.poesialatina.it Greek Index.htm Greco interattivo Category Works by Aristotle Philo stub is Um svefn og v ku pt Do Sono e da Vig lia ... more details
The initials INN may stand for INN World Report InterNetNews news server International Nonproprietary Name The IATA airport code for Innsbruck Airport Innsbruck Kranebitten Airport Israel National News , a department of Arutz Sheva ImagiNation Network Independent Network News Independent News Network See also Inn , an establishment for travelers to lodge, eat, and rest Inn disambiguation disambig de INN eo INN es INN ... more details
Other uses Image Hanul La barier .jpg thumb 250px A 19th century inn in V lenii de Munte , Romania currently in Village Museum , Bucharest Inns are generally establishments or buildings where travelers can seek lodging and, usually, food and drink . They are typically located in the country or along a highway. History and origins Image Roadside inn American scenery.jpeg thumb left 250px American scenery the inn on the roadside 1872 Found in Europe , they possibly first sprang up when the Ancient Rome Romans built their system of Roman road s two millennia ago. Some inns in Europe are several century centuries old. In addition to providing for the needs of travellers, inns traditionally acted ... no longer a formal distinction between an inn and other kinds of establishment. Many pubs use the name inn , either because they are long established and may have been formerly coaching inn s, or to summon up a particular kind of image. The original functions of an inn are now usually split among separate ... functions of an inn but which focus more on lodging customers than on other services public ... aspect of the word inn lives on in hotel brand names like Holiday Inn , and in some state laws that refer ... Coaching inn Caravanserai List of human habitation forms Public house Pub names Ryokan inn Ryokan Youth hostel div col end Further reading Burke, Thomas 1927 The Book of the Inn being two hundred pictures of the English inn from the earliest times to the coming of the railway hotel selected and edited by Thomas Burke. London Constable Burke, Thomas 1930 The English Inn . English Heritage. London ... Urban Inn , in his Landscape and Community in England . London Hambledon Press ISBN 0907628427 ... External links Wiktionary inn Commons category Inns Inn http www.ratebeer.com Beer News Article 312.htm A Brief History of the British Pub http www.congleton cheshire.co.uk congleton inn signs.htm Congleton s ancient Inn Signs http www.closedpubs.co.uk The Lost Pubs Project Lost and closed pubs of the UK ... more details
wiktionary sleepSleep Human sleep and Sleep non human animal sleep are a form of rest. Sleep can also refer to Rheum also known as sleep , mucus formed in the eyes during sleep Transient paresthesia , the sensation produced by an extremity which has fallen asleep . Sleep painting , a painting by Salvador Dal Sleep film Sleep film , a 1963 film by Andy Warhol SLEEP , the official publication of the associated professional sleep societies To sleep with someone implies having Human sexual activity sexual relations with that person. TOC right In computer systems Sleep operating system , an operating system call to suspend the execution of a program for specified period of time Sleep Unix , a Unix command that delays program execution for a specified period of time Sleep programming language , a scripting language executed on the Java platform Sleep mode , in which a computer becomes inactive. In music Sleep band , a 1990s stoner metal band Team Sleep , an ambient rock group S vnen The Sleep , a cantata by Danish composer Carl Nielsen A number of songs entitled Sleep , Sleeping or Asleep ... Astley The Big Sleep , a song by Streetlight Manifesto from the album Everything Goes Numb Sleep , a song by Conjure One Sleep , a song by Copeland from their debut album, In Motion Copeland album In Motion Sleep , a song by The Dandy Warhols from their album, Thirteen Tales from Urban Bohemia Sleep , a B side by Garbage band Garbage Sleep , a song by Godspeed You Black Emperor , from their 2000 album, Lift Your Skinny Fists Like Antennas to Heaven Sleep , a song by Imogen Heap from her debut album, I Megaphone Sleep , a song by Lagwagon Sleep , a Billboard charted song by Little Willie John released by King Records in the early 1960s Sleep Marion song Sleep Marion song , a 1995 song Sleep , a song by My Chemical Romance from their 2006 album The Black Parade The Sleep , a song by Pantera from their album Cowboys from Hell Sleep , a song by Phish from their 2000 album, Farmhouse album ... more details
Sleep No More may refer to Sleep No More 2011 theatrical production Sleep No More , theatrical production by Punchdrunk , performed in 2011 in New York City Sleep No More 2009 play Sleep No More , theatrical production by Punchdrunk , performed in Brookline, MA with the American Repertory Theatre Sleep No More novel Sleep No More novel , 2002 novel by Greg Iles Sleep No More anthology Sleep No More anthology , 1944 anthology edited by August Derleth Sleep No More Comsat Angels album Sleep No More Comsat Angels album , 1981 post punk album Sleep No More DJ Signify album Sleep No More DJ Signify album , 2004 hip hop album disambig ... more details
mergeto Circadian rhythm discuss Talk Circadian rhythm Merger proposal date December 2010 File Sleep Hypnogram.svg thumb 319px Sleep cycles through the night, with deep sleep early on and more REM marked in red toward morning. Sleep architecture describes the structure and pattern of sleep and encompasses several variables. Sleep quotas refer to the amount of time spent in Rapid eye movement sleep REM and Non rapid eye movement sleep NREM sleep. Sleep duration is the total time spent asleep in a 24 hour period. The duration of a NREM REM cycle from the beginning of NREM to the end of REM is also an important aspect of sleep architecture. Phasing of sleep describes how sleep is distributed across a daily cycle polyphasic sleep consists of multiple bouts of sleep in a 24 hour period, while monophasic sleep consists of a single bout of sleep in a 24 hour period. Sleep architecture varies widely across species, and is thought to be significantly influenced by genetics. ref name McNamara, P. 2010 McNamara, P., R. A. Barton, and C. L. Nunn. 2010, Evolution of sleep Phylogenetic and functional perspectives. Cambridge University Press, Cambridge. ref The evolution of different types of sleep architecture is influenced by a number of Natural Selection selective pressures , including body size, relative metabolic rate, predation, type and location of food sources, and immune function. ref name McNamara, P. 2010 ref Capellini, I., C. L. Nunn, P. McNamara, B. T. Preston, and R. A. Barton. 2008. Energetic constraints, not predation, influence the evolution of sleep patterning in mammals. Functional Ecology 22 847 853. ref ref Acerbi, A., P. McNamara, and C. L. Nunn. 2008. To sleep or not to sleep The ecology of sleep in artificial organisms. BMC Ecology 8 10. ref ref Preston, B. T., I ... significance of sleep. Bmc Evolutionary Biology 9. ref Fictional References The 2010 film Inception handles a perspective of sleep architecture. References Reflist Category Sleep ... more details
Sleep hygiene can be defined as the controlling of all behavioural and environmental factors that precede sleep and may interfere with sleep. ref Van der Heijden, Kristiaan B. et al. Sleep hygiene and actigraphically evaluated sleep characteristics in children with ADHD and chronic sleep onset insomnia. J. Sleep Res. 2006 15, 55 62. Retrieved on 2008 06 22 ref It is the practice of following guidelines in an attempt to ensure more restful, effective sleep which can promote daytime alertness and help treat or avoid ref name icsd certain kinds of sleep disorder s. Trouble sleeping and daytime sleepiness can be indications of poor sleep hygiene. The International Classification of Sleep Disorders Revised ICSD R states on page 74 The importance of assessing the contribution of inadequate sleep hygiene in maintaining a preexisting sleep disturbance cannot be overemphasized. ref name icsd http www.esst.org adds ICSD.pdf The International Classification of Sleep Disorders, Revised 2001. ref In the ICSD R, the diagnosis inadequate sleep hygiene is classified as an extrinsic sleep disorder, code 307.41 1. Doctors and clinicians who advise sleep hygiene for patients and families have lists of suggestions which may include advice about timing of sleep and food intake in relationship to it, exercise ... rhythm circadian aspects of sleep control, how to avoid sleep deprivation, and how to respond to unwanted awakenings from sleep if these occur. ref name health.am cite web author Tamar Shochat and Sonia Ancoli Israel title Sleep hygiene publisher Armenian Medical Network work Nature of Sleep and its Disorders year 2007 url http www.sleep.health.am sleep more sleep hygiene accessdate 2007 09 19 ref As the second edition of the ICSD ICSD2, 2005 points out, the sleep disruptive effects of poor sleep hygiene are often obvious to others, but the patients show little insight into this fact. ref International Classification of Sleep Disorders. 2005. ISBN 0965722023. ref See also Chronotype ... more details
Losing Sleep is the name of several music album s Losing Sleep Axle Whitehead album 2008 album by Australian singer Axle Whitehead Losing Sleep Edwyn Collins album 2010 album by British singer Edwyn Collins Losing Sleep Parachute album 2009 album by American group Parachute disambig ... more details
Sleep Tight may refer to Idiomatic expression for sleep well . Sleep Tight , a novel by Matthew J. Costello . Sleep Tight, the 1958 winner of the Goodwood Handicap , a Group 1 Australian thoroughbred open handicap horse race Sleep Tight , a song by Sarah Brightman from her 1997 Con te partir Time To Say Goodbye single Sleep Tight Angel Sleep Tight Angel , a 2002 episode of the television series Angel Sof u v rt English Sleep tight , a song by Todmobile from their 1991 album pera Sleep Tight , a song by Celine Dion from her 2004 Miracle Celine Dion album Miracle album Sleep Tight , a song by Private Line from the 2004 motion picture soundtrack Levottomat 3 Sleep Tight , a song by Dragon Ash from their 2006 single Few Lights Till Night Sleep Tight , a song by Kill Hannah from their 2006 album Until There s Nothing Left of Us Sleep Tight , a song by Big Bad Voodoo Daddy from their 1999 album This Beautiful Life Sleep Tight film Sleep Tight film , a 2011 Spanish film disambig ... more details
lowercase sleep is a Unix command line program that sleep operating system suspends program execution for a specified period of time. The sleep instruction suspends the calling process computing process for at least the specified number of seconds the default , minutes, hours or days. Usage source lang bash sleep number suffix ... or sleep option source Where number is a required floating point number, and suffix is an optional suffix to indicate the time period. It has no real use. Suffix s seconds m minutes h hours d days Options help display this help and exit version output version information and exit Examples source lang bash sleep 5 source Causes the current terminal session to wait 5 seconds. The default unit is seconds. source lang bash sleep 5h source Causes the current terminal session to wait 5 hours source lang bash sleep 3h mplayer foo.mp3 source Wait 3 hours then play foo.mp3 Note that tt sleep 5h30m tt and tt sleep 5h 30m tt are illegal since sleep takes only one value and unit as argument. However, tt sleep 5.5h tt is allowed. Consecutive executions of sleep can also be used. source lang bash sleep 5h sleep 30m source Sleep 5 hours, then sleep another 30 minutes. The GNU Project s implementation of sleep part of coreutils allows the user to pass multiple arguments, therefore tt sleep 5h 30m tt a space separating hours and minutes is needed will work on any system which uses GNU sleep, including GNU Linux kernel Linux . Possible uses for tt sleep tt include scheduling tasks and delaying execution to allow a process to start, or waiting until a shared network connection most likely has few users to wget a large file. See also Sleep operating system External links man 1 sleep delay for a specified amount of time unix commands Category Unix SUS2008 utilities Category Unix process and task management related software cs Sleep fr Sleep Unix hu Sleep Unix ja Sleep UNIX pl Sleep Unix pt Sleep Unix ro Sleep Unix ru Sleep uk Sleep ... more details
Orphan date February 2009 The term junk sleep is used to refer to low quality sleep , usually when fueled by switched on electrical devices. ref http news.bbc.co.uk 2 hi 6962085.stm Junk sleep damaging teen health . BBC News ref ref http www.wordspy.com words junksleep.asp Junk sleep . WordSpy.com ref The term is an equivalent of junk food . References references health stub Category Sleep ja ... more details
Orphan date December 2011 Sleep inversion or sleep wake inversion is a reversal of sleep ing tendencies. Individuals suffering from sleep wake inversion exchange Diurnality diurnal habits for Nocturnality nocturnal habits , meaning they are active at night and sleep during the day. Sleep wake inversion, when it is involuntary, can be a sign of a serious disorder. ref Cite book last Morgan first M. Y. year 2010 title Alteration in Circadian Rhythms in patients with liver disease location London publisher University College ref See also Catatonia Circadian rhythm Encephalitis lethargica Fatigue medical Lethargy References Reflist Category Sleep Mental health stub ... more details
File Effects of sleep deprivation.svg thumb 300px Main health effects of sleep deprivation , ref Reference list is found on image page in Commons Commons File Effects of sleep deprivation.svg References ref indicating impairment of normal maintenance by sleepSleep debt or sleep deficit is the cumulative effect of not getting enough sleep . A large sleep debt may lead to mental and or physical fatigue medical fatigue . There are presumed to be two kinds of sleep debt partial sleep deprivation and total sleep deprivation. Partial sleep deprivation occurs when a person or a animal testing lab animal sleeps too little for many days or weeks. Total sleep deprivation means being kept awake for days or weeks. ref cite web url http search.eb.com eb article 9109539 title Sleep author Encyclop dia Britannica ... ref There is debate in the scientific community over the specifics of sleep debt, and it is not considered ... of sleep debt describes a measurable phenomenon. The September 2004 issue of the journal Sleep contained dueling editorials from two of the world s leading sleep researchers David F. Dinges and Jim ..., mood disturbance, and psychomotor vigilance performance decrements during a week of sleep restricted to 4 5 hours per night journal Sleep volume 20 issue 4 pages 267 77 date April 1997 pmid 9231952 ref suggested that cumulative nocturnal sleep debt affects daytime sleepiness, particularly on the first, second, sixth, and seventh days of sleep restriction. In one study, ref Walker, M.P. 2009, October 21 . Sleep Deprivation III Brain consequences Attention, concentration and real life. Lecture given ... of people were tested with variable sleep times for two weeks 8 hours, 6 hours, 4 hours, and total sleep ... observation was that even just 6 hours of sleep a night was detrimental people who slept 6 hours a night for 10 days had similar results to those who were completely sleep deprived for 1 day. This study gives further evidence of sleep debt, where the negative effects are shown to accumulate over time ... more details
Infobox disease Name Sleep disorder Image Caption DiseasesDB 26877 ICD10 ICD10 F 51 f 50 , ICD10 G 47 ... 609 MeshID D012893 A sleep disorder , or somnipathy , is a medical disorder of the sleep patterns of a person or animal. Some sleep disorders are serious enough to interfere with normal physical, mental and emotional functioning. Polysomnography is a test commonly ordered for some sleep disorders. Disruptions in sleep can be caused by a variety of issues, from teeth grinding bruxism to night terror ... Chapter 10, Neuropsychiatric Aspects of Sleep and Sleep Disorders pp 315 340 chapterurl http books.google.no ... p. 322 ref In addition, sleep disorders may also cause sufferers to sleep excessively, a condition known as hypersomnia . Management of sleep disturbances that are secondary to mental, medical, or substance ... sleep disorders include Primary insomnia Chronic difficulty in falling asleep and or maintaining sleep when no other cause is found for these symptoms. Bruxism Involuntarily grinding or clenching of the teeth while sleeping. Delayed sleep phase syndrome DSPS inability to awaken and fall asleep at socially acceptable times but no problem with sleep maintenance, a disorder of circadian rhythm s. Other such disorders are advanced sleep phase syndrome ASPS , non 24 hour sleep wake syndrome Non 24 , and irregular sleep wake rhythm , all much less common than DSPS, as well as the transient jet lag and shift work sleep disorder . Hypopnea Hypopnea syndrome Abnormally shallow breathing or slow respiratory ... muscles that can result in collapse to the floor. Night terror Pavor nocturnus , sleep terror disorder abrupt awakening from sleep with behavior consistent with fear terror . Parasomnia s Disruptive sleep related events involving inappropriate actions during sleepsleep walking and night terrors ... during sleep, for example kicking the legs. Also known as nocturnal myoclonus . See also Hypnic jerk ... dreams while in REM sleep REM sleep disorder or RSD Restless legs syndrome RLS An irresistible urge ... more details
Sleep inertia is a physiological state characterised by a decline in motor dexterity and a subjective ... smrv.2000.0098 pmid 12531174 title Sleep inertia last Tassi first P. last2 Muzet first2 A. year 2000 journal Sleep Medicine Reviews volume 4 issue 4 page 341 pages 341 353 ref ref cite journal doi 10.1001 jama.295.2.163 pmid 16403927 title Effects of Sleep Inertia on Cognition last Wertz first A.T. last2 ... JAMA the Journal of the American Medical Association volume 295 issue 2 page 163 pages 163 4 ref Sleep inertia can also refer to the tendency of a person wanting to return to sleep . Factors NASA studies have shown that a variety of factors influence the severity and duration of sleep inertia. ref cite ... strategic naps in operational settings ref These include Depth of sleep when awoken. Citation needed span After roughly 30 minutes date April 2012 , the body enters into slow wave sleep . ref cite web url http www.sleepdisorderchannel.com stages index.shtml title Overview, Waking, Non REM, REM, Sleep Cycle, Factors, Age ref Being woken during this stage yields more sleep inertia than awakening from other stages of sleep. Timing of sleep. Sleep inertia is thought to be related to the phase of the body s circadian rhythm . Waking during a drop in body temperature tends to produce more sleep inertia. Chemical influences. Studies have shown that drugs such as caffeine can suppress the effect of sleep inertia, possibly by blocking adenosine receptors in the brain . Sleep inertia can be more severe and last longer when a nap follows a prolonged period of wakefulness or an accumulated sleep debt . Sleep inertia can often be reversed by activity and noise as well as caffeine. Reaction time performance is directly related to sleep stage at awakening persons awakened during the deepest sleep have ... is that sleep inertia is caused by the build up of adenosine in the brain during NREM sleep . Adenosine ... eliminates psychomotor vigilance deficits from sleep inertia journal Sleep volume 24 issue 7 pages ... more details
take place during normal sleep related to alterations in respiratory drive and musculature. Normal Sleep and breathing Sleep onset Set point of ventilation is different in wakefulness and sleep. Carbon dioxide pCO2 is higher and Ventilation physiology ventilation is lower in sleep. Sleep onset latency Sleep onset in normal subjects is not immediate, but oscillates between arousal , stage I and II sleep before steady Non rapid eye movement sleep NREM sleep is obtained. So falling asleep results in decreased ... apnea. These oscillations continue until steady state sleep is obtained. Steady NREM Non REM sleep Ventilation Breathing is remarkably regular, both in amplitude and frequency in steady NREM sleep. Steady NREM sleep has the lowest indices of variability of all sleep stages. Minute ventilation decreases by 13 in steady stage II sleep and by 15 in steady slow wave sleep Stage III and Stage IV sleep . Mean inspiratory flow is decreased but inspiratory duration and respiratory cycle duration ... Human rib cage Rib cage contribution to ventilation increases during NREM sleep, mostly by lateral ... during these sleep stages. Upper airway resistance Airway resistance increases by about 230 during NREM sleep. Elastic and flow resistive properties of the lung do not change during NREM sleep. The increase ... sleep, contributing to the increased resistance, which is reflected in increased Esophagus esophageal pressure swings during sleep. The other ventilatory muscles compensate for the increased resistance ... and PAD increase by 4 5mm in NREM sleep Effects of arousals Induced transient arousal from NREM sleep cause the following Increase Electromyography EMG activity of the diaphragm 150 , increased ... upper airway resistance. Steady REM Sleep Ventilation Irregular breathing with sudden changes in both ... in Rapid eye movement sleep Rapid Eye Movement REM sleep . These are physiologic changes and are different from abnormal breathing patterns noted in sleep disordered breathing . These breathing irregularities ... more details
refimprove date May 2010 Image Stage2sleep.svg thumb right 300px A sleep spindle is a burst of neural oscillation oscillatory brain activity visible on an electroencephalography EEG that occurs during Sleep Physiology stage 2 sleep . It consists of 12 14 Hz waves that occur for at least 0.5 seconds. ref ... System For Sleep Stages of Human Subjects. US Dept of Health, Education, and Welfare National Institutes of Health. ref ref De Gennaro, L. Ferrara, M. 2003 . Sleep spindles an overview. Sleep medicine reviews , 7 5 , 423 440 ref Function Sleep spindles sometimes referred to as sigma bands or sigma waves ... state. Along with K complex es they are defining characteristics of, and indicate the onset of, Sleep Physiology stage 2 sleep . They are often tapered at both ends and frequently seen over the frontal .... During sleep these spindles are seen in the brain as a burst of activity immediately following ... To sleep, perchance to twitch ref ref http intro2psych.wordpress.com 2009 04 01 wiring your brain at college a new perspective on sleep Wiring your brain at college a new perspective on sleep ref Spindles ..., Jo M. Solet, Jeffrey M. Ellenbogen. Spontaneous brain rhythms predict sleep stability in the face of noise. Current Biology 10 August 2010 Vol. 20, Issue 15, pp. R626 R627 ref Sleep spindles result from interactions between cells in the thalamus and the cortex. Sleep spindle activity has furthermore ... ref Tamminen, J. Payne, J.D. Stickgold, R. Wamsley, E.J. Gareth Gaskell, M. 2010 . Sleep spindle activity ... , 30 43 , 14356 60 ref as well directed remembering and forgetting fast sleep spindels ref Saletin, J.M. Goldstein, A.N. Walker, M.P 2011 . The Role of Sleep in Directed Forgetting and Remembering of Human memories. Cerebral Cortex , 21 , 2534 2541 ref During NREM sleep , the brain waves produced .... 2007 . Reduced Sleep Spindle Activity in Schizophrenia Patients. The American Journal of Psychiatry , 164 , A62 ref References Reflist Category Sleep Category Electroencephalography es Huso del sue o ... more details
Infobox album See Wikipedia WikiProject Albums Name Stolen Sleep Type studio Artist Sleep Chamber SLEEPCHAMBER Cover Stolen sleep.jpeg Released 2009 Recorded Genre Industrial music Industrial Length Label Inner X Musick Reviews This album Stolen Sleep br 2009 Stolen Sleep was the first studio release featuring all new music in over 15 years. Sleep Chamber SLEEPCHAMBER . This CD featured the line up of John Zewizz , Bob Avakian and Gimmie Sparks, with help from Zora and Tick. The cover art was done by San Francisco based artist KayTwo. Released in 2009 on Inner X Musick catalog IX 001 Recorded at John Zewizz s home studio & Copperhead Studios in Boston. Track listing Temple Ov Isis Sleep Stealer Tomb Nightsuit Cult Ov Anubus Aura Ov Datura Kum Kleopatra Kum Into The Crypt References http www.discogs.com Sleepchamber Stolen Sleep release 1796478 http www.freewebs.com theebradmiller stolensleep.htm Category 2009 albums ... more details
The Lifeboat Inn or Lifeboat Inn may refer to Lifeboat Inn, Selsey The Lifeboat Inn, St Ives The Lifeboat Inn, Maryport The Lifeboat Inn, Thornham dab Category Public houses in England ... more details
Segmented sleep , also known as divided sleep , bimodal sleep pattern , or interrupted sleep , is a polyphasic sleep polyphasic or biphasic sleep pattern where two or more periods of sleep are punctuated ... pattern of human sleep. ref cite journal pmid 10607034 year 1992 author Wehr authorlink Thomas A Wehr title In short photoperiods, human sleep is biphasic volume 1 issue 2 pages 103 107 journal Journal of sleep research doi 10.1111 j.1365 2869.1992.tb00019.x ref ref Russell G. Foster Russell Foster , in Stephanie Hegarty, The myth of the eight hour sleep , BBC News , 22 February 2012 http www.bbc.co.uk news magazine 16964783 ref A case has been made that maintaining such a sleep pattern ... hour sleep , BBC News , 22 February 2012 http www.bbc.co.uk news magazine 16964783 ref Historian A. Roger Ekirch 2001,2005 argues that before the Industrial Revolution, segmented sleep was the dominant .... Segmented sleep as a historical norm According to Ekirch s argument, typically individuals .... Peasant couples, who were often too tired after field labor to do much more than eat and go to sleep ... circadian rhythm regulates the human sleep wake cycle of wakefulness during the day and sleep at night ... do not practice segmented sleep, which is a concern for some scientists. ref cite web url http www.ted.com talks jessa gamble how to sleep.html title Jessa Gamble Our natural sleep cycle & 124 Video ... one of light sleep in the early afternoon and quiet wakefulness in the early morning. There is evidence from sleep research that this period of nighttime wakefulness, combined with a midday nap, results in greater alertness than a monophasic sleep wake cycle. Citation needed date December 2007 The brain ... waking, respectively. The modern assumption that consolidated sleep with no awakenings is the normal and correct way for human adults to sleep may lead many people to approach their doctors with complaints of maintenance insomnia or other sleep disorder s. cite September 2010 If Ekirch s theory ... more details
Polyphasic sleep , a term coined by early 20th century psychologist J.S. Szymanski, ref cite journal ... 12 ref refers to the practice of sleep ing multiple times in a 24 hour period usually more than two, in contrast to Biphasic sleep biphasic sleep twice per day or monophasic sleep once per day . It does not imply any particular sleep schedule. The circadian rhythm disorder known as irregular sleep wake syndrome is an example of polyphasic sleep in humans. Polyphasic sleep is common in many animals, and is believed to be the ancestral sleep state. ref Cite journal last1 Capellini first1 I. last2 ... Energetic constraints, not predation, influence the evolution of sleep patterning in mammals doi 10.1111 ... 2008 pmid 20428321 pmc 2860325 ref The term polyphasic sleep is also used by an online community ... sleep of normal total duration An example of polyphasic sleep is found in patients with irregular sleep wake syndrome , a circadian rhythm sleep disorder which usually is caused by head injury or dementia . Much more common examples are the sleep of human infants and of many animals. Elderly humans often have disturbed sleep, including polyphasic sleep. ref cite journal last Mori first A. date January 1990 title Sleep disturbance in the elderly journal Nippon Ronen Igakkai Zasshi volume 27 ... appears to be erroneous ref In their 2006 paper The Nature of Spontaneous Sleep Across Adulthood, Campbell and Murphy studied sleep timing and quality in young, middle aged and older adults. They found that, in freerunning conditions, the average duration of major nighttime sleep was significantly ... reflect the natural organization of the human sleep wake system, compared with that which is exhibited ... that shorter, polyphasically placed sleep is the rule, rather than the exception, across the entire ... sleep wake system would evolve in a fundamentally different manner. That people often do not exhibit such sleep organization in daily life merely suggests that humans have the capacity often with the aid ... more details
Sleep onset is the transition from wakefulness into sleep. Sleep onset usually transmits into non rapid eye movement sleep NREM sleep but under certain circumstances eg. narcolepsy it is possible to transmit from wakefulness directly into rapid eye movement sleep REM sleep . History During the 1920s an obscure disorder that caused encephalitis and attacked the part of the brain that regulates sleep ... key component in the sleep wake regulation. He identified the pathways that regulated wakefulness and sleep onset by studying the parts of the brain that were affected by the disease and the consequences it had on the circadian rhythm . He stated that the pathways that regulated sleep onset ... until the last two decades of the 20th century when the pathways of sleep onset were found to reside ... author Saper, C.B. Scammell, T.E. Lu, J. title Hypothalamic regulation of sleep and circadian rhythms ... cortex. These neurons have high activation during wakefulness and during REM sleep and a low activation during NREM sleep . The second branch originates from monoaminorgenic neurons. These neurons ... to this part of the brain cause prolonged sleep or may produce coma. ref name Saper, Scammell ... Hayaishi title Prostanglan and adenosine in the regulation of sleep and wakefulness journal Journal ... author McGinty, D Szymusiak, R title Hypothalamic regulation of sleep and arousal journal Frontiers ..., B Fort, P title The endogenous somnogen adenosine excites a subset of sleep promoting neurons via ... pages 1377 90 year 2005 ref Sleep onset is induced by sleep promoting neurons, located in the ventrolateral preoptic nucleus VLPO . The sleep promoting neurons are believed to project GABA type A and galanin ... it is believed that the activation of sleep promoting neurons causes the inhibition of arousal promoting neurons, which leads to sleep. Evidence has shown that during the sleep wake cycle, the discharges of the sleep promoting neurons and the arousal promoting neurons have reciprocal discharges ... more details
Image Sleep diary.jpg thumb 200px A sleep diary with nighttime in the middle and the weekend in the middle, to better notice trends A sleep diary is a record of an individual s sleeping and waking times with related information, usually over a period of several weeks. It is self reported or can be recorded by a care giver. The sleep diary, or sleep log, is a tool used by doctors and patients. ref cite ... of especially circadian rhythm sleep disorder s, and in monitoring whether treatment of those and other sleep disorder s is successful. Sleep diaries may be used in conjunction with actigraphy . In addition to being a useful tool for medical professionals in the diagnosis of sleep problems, a sleep diary can help make individuals more aware of the parameters affecting their sleep. This data alone can help people self diagnose what helps them get a good sleep. Components The information contained in a sleep diary includes some or all of the following points The time the person had wanted ... of any drugs used including medication, sleep aids, caffeine and alcohol The time and type heaviness ... the person tried to fall asleep The time the person thinks sleep onset occurred Activity during aforementioned ... of any nighttime awakenings and activities during these moments Quality of sleep Level of comfortableness of any recalled good or bad dreams Data collection Sleep logs are often hand drawn on graph paper , as a rule one week per page. Specialized software for creating sleep logs is also available ... can also be used to track daily sleep patterns. References reflist Samples diaries http www.njsleepdisorderscenter.com sleep diary.htm Trinitas Regional Medical Center &mdash hours horizontal, with shading http www.circadiandisorders.org sleepdiary.html Circadian Sleep Disorders Association &mdash ... articles sleepchart.htm Charts and analyses of sleep conditions Dr Piotr Wozniak and Prof. Edward Gorzelanczyk, with link to SleepChart application Windows Category Sleep Category Sleep disorders ... more details
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