Trial found no impact of Malarone(TM) on performance and alertness tasks
...information, sleepiness and duration or quality of sleep for the volunteers. "Use of medication for aircrew on duty is prohibited by national law and international rules, unless convincing evidence can be provided that the treatment in question has no negative effects on performance and alertness. Theref...Unnatural light-dark cycles expose duelling circadian clocks
...ly pacemaker that regulates circadian rhythms like sleep and wakefulness is localized to a defined site in the brain, the suprachiasmatic nucleus (SCN), which is composed of many neurons whose circadian activities are in synchrony with one another. By exposing rats to a very short day/night schedule a reg...Sodium channel gene mutation identified in case of familial epilepsy
...disorders, such as neuromuscular diseases, ataxia, sleep disorders and dystonia. "By identifying genes and mutations in these specific neurological disorders, we should be able to give more precise care to our patients, as well as give them better answers about their disorders," says Dr. Waddy. "And, wit...How do animals exposed to 24-hour light retain their wake-sleep habits?
...llowed by months of full darkness -- retain their sleep and awake habits in such unusual circumstances? A...dian rhythm using heart rate to show the rhythm of sleep and wakefulness. Control laboratory rats (N=4) were exposed to artificial continuous light and demo...Is a single bout of exercise helpful or harmful in getting a good night's sleep?
...arch has demonstrated that, in general, quality of sleep improves after regular physical exercise. However...hers set out to quantify the quality and length of sleep obtained after non-habitual acute resistance and aerobic exercise. Of interest was whether a single ...New research explores 'early bird' and 'night owl' sleep patterns
...e spectrum reflects the broad, normal variation in sleep patterns in humans that is rooted in the very gene...ge, the presumption exists that the differences in sleep patterns are controlled by complex mechanisms with contributions from multiple genes and influenced ...Delirium high in ICU patients, leads to death, morbidity
... some patients. They include: underlying dementia, sleep deprivation, the patient receiving psychoactive drugs, metabolic abnormalities and periods of hypoxemia, disregulation of blood flow, and inflammatory disturbances due to sepsis. Treatments may address any of these potential causes that are modifiabl...The biological clock: What really makes us tick
HOUSTON, March 25, 2004 From sleep patterns to health conditions, biological clocks get down to what makes us tick. The University of Houston is home to one of the world's leading centers for biological rhythms research. With five laboratories and a team of more than 30 scholars led...UT Southwestern research halts narcolepsy symptoms
...e in their brains. The mice did not experience any sleep abnormalities or cataplectic arrests, and they were able to maintain wakefulness. Dr. Yanagisawa noted, however, that the transgenic mice never really experienced the orexin deficiency state because, even though they had no orexin-producing neurons,...Mix of chemicals plus stress damages brain, liver in animals and likely in humans
...e feelings. The hypothalamus regulates metabolism, sleep and sexual activity, as well as control of emotions.) Abou Donia's team found a significant number of dead or dying brain cells in all of these brain regions, as well as major alterations to brain chemicals that are necessary for learning and memory,...Secondary complications and restoration of function in SCI
...olonic motility may be especially depressed during sleep after SCI, and this may exacerbate a sluggish colon transit time. In the study, measures that increased contraction of abdominal muscles facilitated defecation; this was especially helpful in participants with higher-cord injury who lacked abdominal ...RNA inner workings partly unveiled in Stanford study
...ystals in 24 hours, losing a few crystals and much sleep in the process." The Kornberg group plans to build upon their findings and continue to explore the inner workings of RNA polymerase. "Because we have overcome technical problems in making the complexes, it opens a huge opportunity for a lot of othe...New technologies reveal mysteries of marine megafauna
...osses that soar halfway across the Pacific without sleep or a meal -- unlike their human observers? Science is beginning to make all this possible with a series of leaps in tagging technologies. High tech tools such as small data storage tags equipped with micro-processors and satellitelinked GPS devices a...Mind Science Foundation announces Rare Consciousness Research Awards
... Stickgold, Ph.D., both internationally recognized sleep and dream researchers; and Drs. David Kahn and Edw...ome states; and Dr. Pierre Maquet, noted expert in sleep and dream research - Cyclotron Research Center, University of Liege, Belgium The awards are named a...Scientists' findings may lead to better understanding of how that sleep develops, matures
...da, MD As any new mother knows, getting a baby to sleep at night is an art, and perhaps using snippets fro...e's Hamlet may help. But the science of how babies sleep and what their processes may have in common with their adult counterparts could be a small step cl...New findings bring mixed blessings to those looking to combat jet lag
...e who has experienced jet lag knows that it causes sleep disturbances and daytime sleepiness, and can impai...ase caffeine (SRC) and melatonin (Mlt) on recovery sleep and daytime sleepiness after a seven-time zone eastbound flight and found that both drugs have posit...Feeder-free system for maintaining pluripotency in embryonic stem cells pioneered
... and other neurodegenerative disorders, as well as sleep disorders and depression." (There are 520 protein kinases encoded in the human genome.) Brivanlou and his colleague Alin Vonica, M.D., Ph.D. confirmed that the synthetic compound was able to mimic Wnt activation in the classical model of frog early e...Mars mission scientist will live a 25-hour day
...ger days, at first, seem attractive -- "you get to sleep in 39 minutes later every day" -- but points out t...hen, jet-lagged and exhausted, he ran into Cornell sleep researcher James Maas at Pittsburgh airport in 2000, both realized that a collaboration would be a b...Researchers identify key player in respiratory memory
...f potentially fatal breathing disorders, including sleep apnea, sudden infant death syndrome and some relat...e recent paper. He notes that some people who have sleep apnea - a disorder where breathing stops repeatedly during sleep - may have inadequate respiratory m......e acamprosate to address the debilitating mood and sleep disturbances suffered by alcoholics....