Bruxism, the medical term for the grinding of teeth during sleep, is prevalent in Caucasians with sleep disorders, a study has found. There is a high prevalence of nocturnal teeth grinding, or bruxism, in patients with obstructive sleep apnea, particularly in Caucasians.
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A recently published study that is the first to assess the effectiveness of treating sleep disorders in adults with a traumatic brain injury (TBI) shows treatment may result in the objective resolution of the sleep disorder without improvements in daytime sleepiness or neuropsychological function.
Results show that in brain-injured subjects with obstructive sleep apnea, three months of treatment with CPAP therapy dramatically reduced the severity of OSA from 31.4 to 3.8 apneas and hypopneas per hour of sleep; however, there was no demonstrable improvement in measures of daytime sleepiness.
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A video imaging technique demonstrates that the soft palate, the tissue at the back of the roof of the mouth, is more elongated and angled in patients with obstructive sleep apnea both when they sleep and when they are awake, according to a recently published report.
“Obstructive sleep apnea is a common form of sleep-breathing disorder characterized by repetitive episodes of partial or complete upper airway obstruction,” the authors wrote in the article. The condition usually causes breaks in sleeping, reduced blood oxygen levels and daytime sleepiness, and may contribute to cognitive (thinking, learning and memory) difficulties, psychosocial impairments, trouble driving, heart disease and death.
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A recently published study shows after a one-hour delay of school start times, teens increased their average nightly hours of sleep and decreased their “catch-up sleep” on the weekends, and they were involved in fewer auto accidents.
When school started an hour later, students averaged from 12 minutes (grade nine) to 30 minutes (grade 12) more self-reported nightly sleep. The percentage of students who got at least eight hours of sleep per weeknight increased from 35.7 percent to 50 percent; students who got at least nine hours of sleep also increased from 6.3 percent to 10.8 percent.
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People with even minimally symptomatic obstructive sleep apnea (OSA) may be at increased risk for cardiovascular disease because of impaired endothelial function and increased arterial stiffness, according to a study in the November 2008 issue of American Journal of Respiratory and Critical Care Medicine.
Their findings suggested that minimally symptomatic OSA is a cardiovascular risk factor to a degree not previously known.
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A study published in the December 24 and 31, 2008 issue of JAMA said more sleep is better for your heart and is tied to lower calcification rates in the coronary artery.
Risk factors for coronary artery calcification include heart disease risk factors such as male sex, older age, glucose intolerance, tobacco use, disorders of lipoprotein metabolism and high cholesterol levels, high blood pressure, obesity, raised inflammatory markers and a low educational level.
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Thanksgiving is a time when many families come together, often driving long distances for a once-a-year gathering over dinner. It’s a traditional dating back to the days when the Pilgrims had first arrived in America and American Indians helped these new, yet strange neighbors celebrate the first successful harvest.
In today’s society, it is a time when U.S. roadways are bumper-to-bumper with millions of Americans traveling to visit family and friends. During this time of travel, the National Sleep Foundation and Awake In America urges all drivers to stay safe and drive alert while on the roadways this holiday season by getting adequate sleep before hitting the road, but also by watching out for signs of sleepiness behind the wheel.
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This weekend, millions of Americans will roll their clocks back one hour for the annual ritual of returning to Standard Time. As those Americans move their clocks back an hour, they will have the chance to wake up the morning of Sunday, November 2, 2008, having gotten an extra hour of sleep by “gaining” the extra hour.
The question that remains is: Will Americans use that extra hour to catch up on their sleep?
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