Less than half of Americans say they get a good night’s sleep every night. Combine excessive sleepiness with an automobile, a long drive, and the one of the heaviest travel weekends of the year, and our risk for a fall-asleep crash increases significantly.
Research in an abstract, “The Relationship of Weekday and Weekend Sleep on Academic”, presented on Wed., June 10, at SLEEP 2009, the 23rd Annual Meeting of the Associated Professional Sleep Societies, suggests that getting more high-quality sleep is associated with better academic performance. The positive relationship is especially relevant to performance in math. Results indicate that higher math scores were [...]
Individuals who get less than seven hours of sleep per night appear about three times as likely to develop respiratory illness following exposure to a cold virus as those who sleep eight hours or more, according to recent research findings.
Studies have demonstrated that sleep deprivation impairs some immune function, according to background information in the article. Research indicates that those who sleep approximately seven to eight hours per night have the lowest rates of heart disease illness and death. However, there has previously been little direct evidence that poor sleep increases susceptibility to the common cold.
Women age 70 and older who sleep five hours or less per night may be more likely to experience falls than those who sleep more than seven to eight hours per night, according to a report in the September 8, 2008 issue of Archives of Internal Medicine. The use of sleep medications does not appear to influence the association between sleep and risk of falling.
“Falls pose a major health risk among older adults and are a leading cause of death, illness and premature nursing home placement,” according to background information in the article. About one-third of adults older than age 65 experience falls each year. Insomnia and disturbed sleep as well as the use of benzodiazepines — hypnotic medications to treat insomnia — are increasingly common in older adults.
A neuro-imaging study in the Sept. 1, 2008 issue of the journal Sleep is the first to find that cognitive processes related to verbal fluency are compromised in people with insomnia despite the absence of a behavioral deficit. These specific brain function alterations can be reversed, however, through non-pharmacological treatment with sleep therapy.
Results of functional magnetic resonance imaging (fMRI) scanning during verbal fluency tasks show that people with insomnia have less activation than controls in the left medial prefrontal cortex and the left interior frontal gyrus, two fluency-specific brain regions. However, participants with insomnia generated more words than controls on both the category fluency task
Teenagers are notorious for having bad sleep habits. New research suggests that having trouble staying awake the next day might not be the only consequence they face.
This study, the first study to look at the relationship between not getting enough sleep and blood pressure in healthy adolescents, researchers found that healthy teens (ages 13 to 16 years old) who slept less than 6½ hours a night were 2½ times more likely to have elevated blood pressure compared to those who slept longer.
A research abstract presented at Sleep 2008, the 22nd Annual Meeting of the Associated Professional Sleep Societies (APSS), finds a link between poor sleep and suicidal behavior among children and adolescents with depressive episodes.
The study, authored by Maria-Cecilia Lopes, MD, PhD, of Sao Paulo University in Brazil, focused on 303 individuals with pediatric bipolar disorder and pediatric unipolar disorder during depressive episodes. The presence of sleep complaints and suicidal behavior were detected by face-to-face interviews during depressive episodes.
A study published in the May 1, 2008 issue of the journal Sleep is the first attempt to quantify the strength of the cross-sectional relationships between duration of sleep and obesity in both children and adults. Cross-sectional studies from around the world show a consistent increased risk of obesity among short sleepers in children and adults, the study found.
A study published in the April 1, 2008, issue of the journal Sleep confirms the persistent nature of insomnia and the increased risk of subsequent depression among individuals with insomnia. The study focused on 591 young adults, whose psychiatric, physical, and sleep symptoms were assessed with six interviews spanning 20 years.
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As of May 2, 2009 at 9:47 p.m. (-0500) (ET), the U.S. population
was 306,340,710. Sleep researchers estimate approximately seven percent
of the population suffers from obstructive sleep apnea. Using that
estimate, there are potentially 21,443,850 apneics in the U.S.
~~ Apnea around the world ~~
As of May 2, 2009 at 9:47 p.m. (-0500) (ET), the world population
was 6,777,286,604. Sleep researchers estimate approximately seven percent
of the population suffers from obstructive sleep apnea. Using that
estimate, there are potentially 474,410,062 apneics in the world.
