Free-running sleep

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Topic: Free-running sleep

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	Free-running sleep - Wikipedia, the free encyclopedia
		Free-running sleep is sleep that is not artificially regulated.
		The most typical violation of free-running sleep is the use of an alarm clock.
		to force longer sleep before early arising) may also disturb the free-running sleep cycle.
	en.wikipedia.org /wiki/Free-running_sleep (156 words)

	dsps
		In free running sleep, the patient goes to sleep only when he or she feels tired.
		Delayed Sleep Phase Syndrome (DSPS) is a sleep disorder in which the patient's internal body clock runs well above 24 hours making it difficult to reset the clock for life in normal day-night schedule.
		This article is licensed under the GNU Free Documentation License.
	www.yourencyclopedia.net /DSPS.html (232 words)

	Chronobiology of aging: temperature, sleep-wake rhythms and entrainment.
		Sleep efficiency, total sleep time, REM sleep latency, REM episode length, percent REM in the last 2 hours of sleep, the length and frequency of arousals during sleep, and the terminal wake latency were all age related and dependent on entrainment.
		Sleep stages as percents of total sleep time were found to be age related but independent of entrainment, while sleep latency, mid-REM to mid-REM cycle length and the ratio of sleep to total time were neither age related nor dependent on entrainment.
		The period of the sleep-wake cycle, terminal awakenings from REM and percent REM in the first 3 hours of sleep were not age related but were dependent on entrainment.
	www.arclab.org /medlineupdates/abstract_7170047.html (256 words)

	Health and Running sleep colds sickness injury fitness wakeup heart rate
		The result is that I'm usually in sleep deprivation, and this is a killer for good running (and good life in general).
		It increases, or is elevated, when we are sleep deprived or are under fatigue or stress.
		Fatigue tends to accumulate quickly if you don't sleep enough, leaving you listless, unenthusiastic and susceptible to colds.
	www.leigh.org /running/health.html (772 words)

	Ageing and the circadian and homeostatic regulation of human sleep during forced desynchrony of rest, melatonin and temperature rhythms -- Dijk et al. 516 (2): 611 -- The Journal of Physiology Online
		Sleep efficiency during the 9 h 20 min sleep episodes is plotted at the estimated circadian phase in the middle of the sleep episode (Fig.
		Sleep episodes initiated on the rising limb of the endogenous circadian temperature cycle were all severely disrupted, in both older and young people, and in particular in the latter half of the sleep episode (Fig.
		In the last quarter of the sleep episode a further increase of wakefulness was observed, especially in the sleep episodes of the young subjects occurring outside that part of the circadian cycle during which melatonin was elevated in plasma.
	jp.physoc.org /cgi/content/full/516/2/611 (12007 words)

	Biological Rhythms:
		Sleep time is negatively correlated with exposure/vulnerability during sleep and and also negatively correlated with the time needed to meet energy needs.
		But because the natural rhythm of their biological clock is slightly longer than 24 hours, their sleep period begins a little later each successive day, so that after 7 days they go to bed at 4 am and after 2 weeks they go to bed at 10 am.
		Sleep was “selected for” in the process of evolution - it has survival value beyond restoration of the body.
	www.uni.edu /walsh/sleephysw.html (1309 words)

	eMedicine - Sleep Disorder: Problems Associated With Other Disorders : Article by Guy K Palmes, MD
		Sleep tends to be fragmented and accompanied by an increase in the amount and intensity of REM sleep.
		Sleep rocking or head banging is reported in 5% of youths, with head banging being common in infants and in children aged 9 months to 12 years.
		Primary sleep disorders are subdivided into dyssomnias, which are characterized by abnormalities in the amount, quality, or timing of sleep, and parasomnias, which are characterized by abnormal behavioral or physiological events that occur in association with sleep stages or sleep-wake transitions.
	www.emedicine.com /ped/topic2656.htm (6632 words)

	FAQ: Sleep and learning
		In free running conditions, naps usually come early, are short and do not affect the ability to fall asleep quickly in the evening.
		Free running sleep does not imply abnormal sleeping habits
		As you indicate that your "normal" sleeper "sleeps enough", he or she is not likely to use an alarm clock that would cut the natural sleep.
	www.supermemo.com /help/faq/sleep.htm (10353 words)

	From our mailbox: Melatonin Used to Restore Sleep Patterns in Blind People
		A sleep researcher, Dr. Laughton Miles, later confirmed what Dr. Stevenson had concluded: In the absence of light, his body had taken up a free-running, 24.9-hour circadian rhythm of sleep and wakefulness, a schedule that shifted his natural sleeping time back by nearly an hour each day.
		He had read that in blinded animals, the body's clock, normally harnessed to the 24-hour cycle of daylight and darkness, often goes into free run, shifting sleep patterns.
		The new study, she said, has implications not only for the blind, who often list sleep problems as one of the most difficult aspects of their disability, but also for sighted people, whose circadian rhythms can be altered by jet lag or shift work.
	www.nyise.org /whatsnew/melatonin.html (823 words)

	MRB: Encyclopedia of Sleep and Dreaming
		REM) sleep, associated with dreaming ; predominant in the final third of a sleep period, its...
		related to lack of REM sleep and lack of dreaming) Sleep terror disorder is an abrupt awakening from...
		During this time, Dr. Carskadon also was Editor in Chief of the Encyclopedia of Sleep and Dreaming.
	www.medical-research-books.com /mrb-books-reviewed/0028970853.html (424 words)

	Pinel Chapter 12 -- Sleep
		- according to the circadian theory of sleep, sleep is not a response to an internal
		sleep is an adaptive response that evolved to conserve energy and to
		- the nucleus magnocellularis of the caudal reticular formation normally becomes active during REM sleep to enforce muscle relaxation during dreaming; these cells become active during cataleptic attacks in dogs; presumably it is failure of the nucleus magnocellularis that causes the REM-sleep disorder in which people act out their dreams.
	ceci.uprm.edu /~ephoebus/id87.htm (2721 words)

	Effects of Exogenous Melatonin Administration and Withdrawal in Five Patients With Rapid-Cycling Bipolar Disorder
		However, melatonin withdrawal delayed sleep onset time and may have had some mild mood-elevating effects.
		Conclusion: The administration of melatonin had no significant effects on mood or sleep.
		In addition, in both this and a second patient, there is evidence that the administration of exogenous melatonin may have suppressed the secretion of endogenous melatonin.
	www.psychiatrist.com /pasttoc/toc/september1997/383effe.htm (160 words)

	LookSmart's Furl - View Item - Good sleep, good learning, good life
		This is why you may need a vacation to give free running sleep an honest test 6.
		If you arrive at a number that is greater than 24 hours, your free running sleep will result in going to sleep later on each successive day.
		You should be able to sense that your sleep latency is likely to be less than 10-20 minutes (sleep latency is the time between going to bed and falling asleep).
	www.furl.net /item.jsp?id=1401327 (456 words)

	Free-running sleep -- Facts, Info, and Encyclopedia article
		For other meanings of free running, see (additional info and facts about free running) free running
	www.absoluteastronomy.com /encyclopedia/f/fr/free-running_sleep.htm (188 words)

	Free Running versus Manual
		Free Running mode is selected when ADFR is set to 1.
		Note that the ADC must be fixed to a channel in free running mode.
		In free running mode, the ADC samples and updates automatically and continuously.
	www.drtak.org /teaches/ARC/cisp299_bot/book/book/node140.html (124 words)

	UltimateDisney.com: The Ultimate Guide to Disney DVD
		Disney will be running a Buy 3 Get 1 Free Promotion from September 9 through the end of December, similar to last year's.
		July 12, 2003 - Disney has released at least part of their 2003 Holiday Gift Guide previewing DVD releases from later this year - Wave 3 of the Walt Disney Treasures, The Santa Clause 2, The Lion King, Sleeping Beauty, and something entirely new - Lilo & Stitch: Island of Adventures DVD game.
		No word yet on what will be offered as a free selection, but shipping is $1.99 like last year.
	www.ultimatedisney.com /archives-0703.html (124 words)

	Good sleep, good learning, good life
		Free running sleep is a sleep that comes naturally at the time when it is internally triggered by the combination of your homeostatic and circadian components.
		It is a philogenetic remnant of a biphasic sleeping rhythm.
		REM sleep is characterized by intense neural activity, increase in blood circulation and the use of oxygen, as well as an increase in the uptake of amino acids by the brain tissue.
	www.supermemo.com /articles/sleep.htm (16660 words)

	[ACE] Bilston Free Festival / Action Cafe
		We have Toilet facilities, and can sleep over 50 people but please bring your own tent as camping is available and will free up bed space for others.The running order of bands may be subject to change.
		Bilston Free Festival Location Bilston Glen, south of Edinburgh By Bus/Car - Take the A701 (number 37/37a) Towards Penicuik and you'll come to the village of Bilston (8 miles south of Edinburgh).
		Feel free to bring friends, music, whatever you'd hope to find.
	lists.mutualaid.org /pipermail/ace/2003-June/000057.html (466 words)

	FAQ: Sleep and learning
		Free-running sleep is sleep dictated solely by your brain.
		As you indicate that your "normal" sleeper "sleeps enough", he or she is not likely to use an alarm clock that would cut the natural sleep.
		Luckily, the evidence for the role of sleep in learning is so convincing, that no serious scientific conference on the physiology of sleep will include more than a few mavericks with their own alternatives.
	www.supermemo.com /help/faq/sleep.htm (10353 words)

	Good sleep, good learning, good life
		Free running sleep is a sleep that comes naturally at the time when it is internally triggered by the combination of your homeostatic and circadian components.
		It is a philogenetic remnant of a biphasic sleeping rhythm.
		REM sleep is characterized by intense neural activity, increase in blood circulation and the use of oxygen, as well as an increase in the uptake of amino acids by the brain tissue.
	www.supermemo.com /articles/sleep.htm (16134 words)

	Good sleep, good learning, good life
		Usually you should not have any doubts if you have already awakened for good (as opposed to temporarily), and you should not fall asleep again (as it may be a frequent case in non-free running sleep).
		Those who stick to their own good rhythm often sleep less as their sleep is better structured and more refreshing.
		Currently, the societal understanding of sleep and its functions is as dismal as the understanding of the health risks of cigarettes in the 1920s.
	www.supermemo.com /articles/sleep.htm#Freerunningsleep (16134 words)

	SPAG Game Reviews H-M
		Moreover, the game is free from scenery-object confusion, free from disambiguation problems, as far as I could tell ("which do you mean..."), and takes the trouble to code many specific responses to non-useful actions, lending to the polished feel.
		You will often be running along with some item that you need, only to be hit over the head and have it stolen just when you get to where you would have used it.
		But most nouns and verbs have several substitutes, though the game occasionally fails to fill in logical gaps (for instance, "sleep" with a bed in front of you puts you to sleep on the floor).
	www.sparkynet.com /spag/h-m.html (19340 words)

	Spanish Grand Prix Betting - Spain Formula One Bets
		As the Spanish Grand Prix is televised live, the bookies do a market on Spanish Grand Prix in running betting and you can check out all the bookmakers, right here on this site along with their excellent Spanish Formula One free bets offers
		Michael Schumacher will be looking forward to this Grand Prix as he has been the most successful driver ever at the circuit and will certainly be one of the favourites for your Free Bets.
		The Spanish Grand Prix is staged at the beautiful city of Barcelona is a city that truly does not sleep.
	www.betting-directory.com /sport/spanish-grand-prix.php (19340 words)

	Marcellino (marcellino.multiply.com) - Happy Tree Friends
		Oh, btw my favorite episiode would be the Episódio: Maníaco da Lanchonete (the burger one) I just thought the opening was really good where the moose was running with a stick he he he...
		To see exclusive content that Marcellino has posted for his friends and family - or to start your own web page like this one - join Multiply(free registration).
		now i don't sleep to my screams anymore but i sleep humming the Happy Tree Friend theme song as images of death flashes by.....
	marcellino.multiply.com /links/item/1 (445 words)

	Overview of Circadian Rhythms
		Circadian rhythms are self-sustaining (i.e., free running), meaning that they will persist when the organism is placed in an environment devoid of time cues, such as constant light or constant darkness.
		The sleep-wake cycle, which constitutes a central aspect of circadian rhythms in particular, is subject to modification by alcohol; alcohol’s effects on the sleep of nonalcoholics and alcoholics are discussed by Drs.
		To further elucidate the regulation of circadian rhythms, researchers need a better understanding of the nature of circadian signal output from the SCN and of how these output signals may be modified once they reach their target systems.
	www.niaaa.nih.gov /publications/arh25-2/85-93.htm (445 words)

	Circadian
		The human diurnal wakefulness cycle has a free-running periodicity of about 25 hours, but is constantly reset to a 24- hour cycle by other cues: sunlight, body heat generation and loss cycles, food and caffeine intake, and activity.
		However, I personally believe that a better metaphor for conceptualizing the sleep/wake cycle is a long narrow piece spring steel, or better yet a long flat (and slightly stretchy but incompressible) piece of rubber.
		One keeps morning activity and eating light, and turns the afternoon siesta time into a deep sleep (nap) period.
	www.pitt.edu /~kconover/circadia.htm (445 words)

	Leeds university union crosscountry club
		Alf competed in a road race around his home town, during which an old man gets stuck up one of those huge Fred Dibnah style chimneys, Alf interupts the race to climb the chimney, uses his welding skills to free the bloke(don't ask me how) and climbs down and yes!
		The excellent Alf Tupper, a guttersnipe runner who would encounter toffee-nosed upper crust types and beat them on the running track.
		For my boyhood hero, who first inspired me to start running, was Alf Tupper - the 'Tough of the Track'.
	www.leeds.ac.uk /union/sports/crosscountry/alf_tupper.htm (326 words)

	Wednesday, November 14, 2001
		Rae was sure she wouldn't be able to sleep with all the questions running through her head.
		Returning to the café, Rae had Kim fix her a large plate of salty turnip fries – a new item on the small but popular diabetic menu the café had begun – and together with an oversized mug of sugar free hot cocoa she retreated to the upstairs bathroom.
		Rae found it fascinating to watch her speak, noticing how the muscles around her shortened muzzle compensated to provide capability for speech.
	www.julesong.com /drgn/011114.htm (2507 words)

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Topic: Free-running sleep

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In the News (Thu 31 Dec 09)