Sleep may help you keep slim. At least according to this research from Ohio Case Western Reserve University:
http://news.bbc.co.uk/1/hi/health/5008824.stm
Researchers from Ohio's Case Western Reserve University, followed nearly 70,000 women for 16 years.
They found women who slept five or fewer hours a night were a third more likely to put on at least 33lbs (15kg) than sound sleepers during that time.
(via lewrockwell.com)