-- Robert Preidt
FRIDAY, Dec. 7 (HealthDay News) -- Getting more sleep may help
reduce overeating, a small new study suggests.
The researchers also found that the hormonal process through
which sleep affects eating is different for men and women.
The study included 27 normal-weight men and women, aged 30 to
45, who were studied under two sleep conditions: short sleep (four
hours) and normal sleep (nine hours). Short sleep led to increased
levels of the hunger-stimulating hormone ghrelin in men but not in
women. But short sleep reduced levels of the satiety (feeling of
fullness) hormone GLP-1 in women but not in men.
The findings suggest that the common problem of wanting to
overeat due to a lack of sleep is related to increased appetite in
men and reduced feelings of fullness in women, according to the
study in a recent issue of the journal
"Our results point to the complexity of the relationship between sleep duration and energy balance regulation," study principal investigator Marie-Pierre St-Onge, of the New York Obesity Nutrition Research Center, St. Luke's/Roosevelt Hospital, and the department of medicine at the College of Physicians and Surgeons, Columbia University in New York City, said in a journal news release.
"The state of energy balance, whether someone is in a period of weight loss or weight gain, may be critical in the metabolic and hormonal responses to sleep restriction," St-Onge added.
The findings support the idea that amount of sleep has a direct
effect on eating and weight control, the researchers said.
However, while the study found an association between sleep
duration and hunger, it did not prove a cause-and-effect
The Harvard School of Public Health has more about
sleep and weight.
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