By Alan Mozes, HealthDay News:
Eve Van Cauter, a professor of medicine at the University of Chicago, recently found that when 12 healthy men in their 20s were instructed to sleep just four hours a night for two nights straight, they reported an increase in feelings of hunger by 24 percent.
What's more, Cauter and her colleagues noted that levels of the hormone leptin, which delivers feelings of satiation to the brain, decreased by 18 percent among the men.
Conversely, levels of the hormone ghrelin, which sparks hunger, shot up 28 percent - prompting cravings for candy, cookies and cake.
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