Childhood sleep-disordered breathing severity related to tonsil size, oropharyngeal volume
...y abnormal breathing patterns during slumber, with sleep apnea the most recognizable form. Although SBD is ...opneas (abnormally slow, shallow breathing) during sleep than did the children with relatively unobstructed airways. A New Study The authors of the study,...Circadian clock genes may provide targets for new cancer drugs
...on of clock gene expression in a normal tissue and sleep activity cycles of the mice were not disrupted by the tumor. Control of DNA damage response by the molecular clock: Abstract 740 A gene known to regulate circadian rhythms also acts as a tumor suppressor by regulating the mechanisms by which cells s...Sleep boosts ability to learn language, University of Chicago researchers find
...memories." Scientists have long hypothesized that sleep has an impact on learning, but the new study is th...er than all at once. This research could show how sleep helps us retain what we learn." In fact, the idea for the study arose from discussions Nusbaum and ...Can heart failure impair thinking?
...ne-half of chronic HF patients exhibit obstructive sleep apnea (OSA) or Cheyne-Stokes breathing during slee...were monitored in the scanner facility until quiet sleep was established. Structural MRI Acquisition and Analysis: Anatomic T1-weighted image volumes were c...Hormonal changes in satisfied and dissatisfied shift workers across a shift cycle
... disease, gastrointestinal disorders, and clinical sleep disorders. The risk for these problems increases w...f knowledge. Background Studies have shown that sleep in shift workers is often displaced and/or shortened, particularly in connection with morning and ni...Nasal contribution to breathing with exercise: The effect of race and gender
...ith a nasal mask similar to that used in pulmonary sleep laboratories and modified to allow insertion of a mass flowmeter. Total ventilation ( E) was determined by respiratory inductance plethysmography (calibrated by spirometry). Bands were fixed to the subject's torso with adhesive tape and calibrated. ...Controlling the internal clock in darkness
... clock to regulate basic biological cycles such as sleep patterns, metabolism, and body temperature. And that clock runs on similar molecular mechanisms. Specific clusters of neurons in the brain are known to control the biological clock. Scientists believed these brain "clock cells" function as independe...Jefferson and Brigham and Women's researchers find blue light important for setting biological clock
...ystem drives the body's internal clock, which sets sleep patterns and other physiological and behavioral fu...itute, sees the work as having potential impact on sleep disorders involving space travel. Sleep disorders are extremely common, affecting as many as 40 mil...Asthma patients cautioned about melatonin
...should consider limiting the use of melatonin as a sleep aid, according to researchers at National Jewish M...sthma, and 11 healthy controls establish a regular sleep schedule for seven days. On the eighth night, small blood samples were taken from the sleeping patie...Researchers one step closer to Holy Grail of neurobiology
...al methods to enhance alertness during the day and sleep at night. Analyzing the mechanisms of arousal may lead to a more precise anesthesiology. The operational definition of arousal proposed by the Rockefeller researchers states that an aroused animal or human will be more sensitive to sensory stimuli, ...In men chronically exposed to magnetic fields, no disruptions of melatonin exists
...y to lead to clinical disorders involving fatigue, sleep and mood disturbances, altered performance, and de...to have no acute or chronic diseases, have regular sleep habits, do no night work, have taken no trans-meridian airplane flights during the preceding two mon...Gene helps determine whether the stresses of life push you into depression, Science study says
...nges in their physical and mental persona, such as sleep problems, must occur for depression to be diagnosed. The researchers tracked the number of stressful life events that occurred between the 21st and 26th birthdays of participants in a long-term study in New Zealand. They investigated connections betw...Sleep deprivation within five hours of learning impairs memory consolidation in mice
... age-old advice to "sleep on it." Mice allowed to sleep after being trained remembered what they had learned far better than those deprived of sleep for several hours afterward. The researchers also determined that the five hours following learning ...Sleep disorders linked to faulty brain chemistry, study finds
...may be partly to blame for certain life-disrupting sleep disorders are being reported in two new studies by...etween deficits in brain chemistry and obstructive sleep apnea (OSA) and REM sleep behavior disorder (RBD). Both are relatively common sleep problems that di...Mouse model of schizophrenia could speed identification of new antipsychotic drugs
...y. For example, unlike normal animals that usually sleep together in their home cage, the knockout animals slept separately. They didn't want to be together." The knockout animals also showed impaired nest-building and scattered nesting materials about their cage. Most intriguing, said Tonegawa, was the be...Is there an unexpected price for late night high tech excitement?
...l gland. Serum levels increase 10-fold just before sleep and peak around midnight. Twenty-four-hour secretion is higher in winter than in summer. The decline of melatonin secretion with age has been blamed for the tendency to insomnia in the elderly. As in all advanced industrial nations, the number of Jap...National Jewish faculty to present research at American Thoracic Society
... difficult-to-control asthma also have obstructive sleep apnea. Diagnosis and treatment of obstructive sleep apnea could help these patients with otherwise refractory symptoms. Abstract: http://www.abstracts2...Diet study focus of TAES research in effort to help save giant panda
...teresting. They eat about 18 hours a day, and then sleep the rest. They grab a hand full of it, then hold it and eat it," he said. "They can also grab a stalk and crack and crunch. They have teeth that are capable of peeling back the stalk to get to the spongy part." To mimic the process, Tolleson said he...Science highlights of AAN Annual Meeting in Honolulu March 29 April 5
...chers from Zurich showed that stroke patients with sleep apnea have a greater risk of worsening of the effects of their stroke, suggesting that treatment of sleep apnea in these patients may be beneficial. Finally, researchers at the University of Chicago and Ari...Mother-infant bed sharing is associated with an increase in infant heart rate
...ill emerge of the way the mother's presence during sleep affects her infant. For example, increases in hea...g infants may be due to increased movements during sleep in those infants. Since external sensory input is generally arousing and involves increased sympathe...