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PUBLIC RELEASE DATE:
10-Jun-2008

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Contact: Kathleen McCann
kmccann@aasmnet.org
708-492-0930
American Academy of Sleep Medicine
@AASMOrg

Caloric intake negatively influences healthy adults' sleep patterns

WESTCHESTER, Ill. - Caloric intake negatively influences sleep patterns in healthy adults, according to a research abstract that will be presented on Tuesday at SLEEP 2008, the 22nd Annual Meeting of the Associated Professional Sleep Societies (APSS).

The study, authored by Ioná Zalcman, of Federal University of Sao Paulo in Brazil, focused on 52 healthy volunteers between 20-45 years of age. Food intake was analyzed by a three-day food record. An overnight polysomnogram, or sleep test, was performed to determine the sleep pattern.

According to the results, positive and statistically significant correlations were found between total energy intake and late-night snack energy intake and awakenings during sleep. Similarly, total energy intake and late-night snack energy intake were significantly correlated with apnea-hypopnea index.

"Previous studies have demonstrated that circadian distribution of food intake is capable of modifying endocrine and metabolic patterns during sleep. However, studies of the influence of food intake distribution on sleep pattern are scarce. This study, which analyzed the influence of energy intake on the sleep patterns in healthy subjects, concluded that total energy intake and late-night snack energy intake may increase sleep fragmentation in healthy subjects, which might increase the effects of sleep restriction on nutritional and metabolic balance. New studies on this area are needed to better understand theses associations," said Zalcman.

It is recommended that adults get between seven and eight hours of nightly sleep.

The American Academy of Sleep Medicine (AASM) offers the following tips on how to get a good night's sleep:

Those who suspect that they might be suffering from a sleep disorder are encouraged to consult with their primary care physician or a sleep specialist.

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The annual SLEEP meeting brings together an international body of 5,000 leading researchers and clinicians in the field of sleep medicine to present and discuss new findings and medical developments related to sleep and sleep disorders.

More than 1,000 research abstracts will be presented at the SLEEP meeting, a joint venture of the AASM and the Sleep Research Society. The three-and-a-half-day scientific meeting will bring to light new findings that enhance the understanding of the processes of sleep and aid the diagnosis and treatment of sleep disorders such as insomnia, narcolepsy and sleep apnea.

SleepEducation.com, a patient education Web site created by the AASM, provides information about various sleep disorders, the forms of treatment available, recent news on the topic of sleep, sleep studies that have been conducted and a listing of sleep facilities.



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