According to Camille Peri on WebMD, "Copying with Excessive Sleepiness" how much you sleep can directly effect your appetite and weight gain.
"When it comes to body weight, it may be that if you snooze, you lose. Lack of sleep seems to be related to an increase in hunger and appetite, and possibly to obesity. According to a 2004 study, people who sleep less than six hours a day were almost 30 percent more likely to become obese than those who slept seven to nine hours."
"Recent research has focused on the link between sleep and the peptides that regulate appetite. “Ghrelin stimulates hunger and leptin signals satiety to the brain and suppresses appetite,” says Siebern. “Shortened sleep time is associated with decreases in leptin and elevations in ghrelin.”
Not only does sleep loss appear to stimulate appetite, it also stimulates cravings for high-fat, high-carbohydrate foods. Ongoing studies are considering whether adequate sleep should be a standard part of weight loss programs."
In summary, get your 7-9 hours of sleep each night and your body and mind will thank you!
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