A higher periodic leg movement index (PLMI) predicted less sleep at night in older people with cognitive impairment and sleep disturbance. The study, authored by Kathy C. Continue reading ...
In healthy people, both sleepiness and vigilance show a relationship with core body temperature and skin temperature. When core body temperature is high during the daytime, skin temperature is low, which translates into optimal vigilance. Conversely, when core body temperature is low at night time, skin temperature is high, which correlates to optimal sleep. Continue reading ...
New research shows that cigarette smokers are four times as likely as nonsmokers to report feeling unrested after a night's sleep. The study, appearing in the February issue of CHEST, the peer-reviewed journal of the American College of Chest Physicians (ACCP), also reveals that smokers spend less time in deep sleep and more time in light sleep than nonsmokers, with the greatest differences in sleep patterns seen in the early stages of sleep. Continue reading ...
In one of the largest epidemiologic studies of insomnia among adolescents ever conducted in the United States, this study allows for an estimation of the impact of chronic insomnia on future functioning of adolescents. Youths with insomnia, particularly chronic insomnia, are at greater risk of future somatic and especially psychological problems, the study found. Robert E. Continue reading ...
The sleeping aid Ambien (also called zolpidem) taken 3 to 7 nights per week is safe and effective for at least 6 months in people who suffer from chronic insomnia, according to research published in the medical journal Sleep. Continue reading ...
Four days' exposure to a REM sleep deprivation procedure reduces cell proliferation in the part of the forebrain that contributes to long-term memory of rats, according to a study published in the February 1 issue of the journal SLEEP.The study, authored by Dennis McGinty, PhD, of the V.A. Greater Los Angeles Healthcare System, focused on male Sprague-Dawley rats. Continue reading ...
Older women with sleep-related breathing problems may have a heightened risk of impairments in thinking and memory, a new study suggests. Continue reading ...
Alexza Pharmaceuticals, Inc. (Nasdaq: ALXA) announced that it has initiated a Phase 1 clinical trial with AZ-007 (Staccato(R) zaleplon). AZ-007 is an inhalation product candidate being developed for the treatment of insomnia patients who have difficulty falling asleep, including patients who awake in the middle of the night and have difficulty falling back asleep. This is the first clinical trial of AZ-007 being conducted under an IND filed recently with the U.S. Continue reading ...
Thursday, February 7, 2008
A Good Night's Sleep Could Improve Long-term Memory, UK
Scientists from the Medical Research Council's Anatomical Neuropharmacology Unit (ANU) at the University of Oxford have discovered evidence that sleep is important for the stabilisation of memory. In a study published in Nature Neuroscience, Dr Jozsef Csicsvari and colleagues describe how memory traces of the latest waking experiences could be reactivated during sleep, helping the formation of long-lasting memories. Read more ...
A new study shows that smoking disrupts sleep in two ways. First, as bedtime approaches, the smoker has a final "relaxing" smoke before retiring. That smoke may seem relaxing, but nicotine (the drug found in tobacco) is actually a stimulant, and smoking that cigarette is almost as sleep disrupting as drinking a cup of coffee. But smoking disrupts sleep in yet another way. During the night, you go hours without a... Read more ...
A brief bout of non-REM sleep (45 minutes) obtained during a daytime nap clearly benefits a person's declarative memory performance, according to a study published in the February 1 issue of the journal SLEEP.The study, authored by Matthew A. Tucker, PhD, of the Center for Sleep and Cognition and the department of psychiatry at Harvard Medical School, focused on 33 subjects (11 males, 22 females) with an average age of 23.3 years. Read more ...
"How'd you sleep last night?" This phrase has become the morning mantra for people across the country. We know that sleep is as essential as food and water, and even air, but why this recurring question?In an article in the New York Times, Jon Mooallem talks about the sleep industry and Pete Bils, who works for Select Comfort. According to the article, sleep has become a big industry, from sleep clinics to drugs... Read more ...
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A new study shows that smoking disrupts sleep in two ways. First, as bedtime approaches, the smoker has a final "relaxing" smoke before retiring. That smoke may seem relaxing, but nicotine (the drug found in tobacco) is actually a stimulant, and smoking that cigarette is almost as sleep disrupting as drinking a cup of coffee. But smoking disrupts sleep in yet another way. During the night, you go hours without a... Read more ...
A brief bout of non-REM sleep (45 minutes) obtained during a daytime nap clearly benefits a person's declarative memory performance, according to a study published in the February 1 issue of the journal SLEEP.The study, authored by Matthew A. Tucker, PhD, of the Center for Sleep and Cognition and the department of psychiatry at Harvard Medical School, focused on 33 subjects (11 males, 22 females) with an average age of 23.3 years. Read more ...
"How'd you sleep last night?" This phrase has become the morning mantra for people across the country. We know that sleep is as essential as food and water, and even air, but why this recurring question?In an article in the New York Times, Jon Mooallem talks about the sleep industry and Pete Bils, who works for Select Comfort. According to the article, sleep has become a big industry, from sleep clinics to drugs... Read more ...
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