Does the lack of sleep make you fat?
...leptin. Ghrelin increases feelings of hunger while leptin acts to suppress appetite. People who habitually ...eople who slept for shorter durations have reduced leptin and elevated ghrelin. These differences are likely to increase appetite and, in societies where foo...Sleep loss boosts appetite, may encourage weight gain
... Van Cauter's team measured circulating levels of leptin and ghrelin before the study, after two nights of ...with four hours of sleep, the ration of ghrelin to leptin increased by 71 percent compared to a night with ten hours in bed. As hunger increased, food choices...Sleep duration affects appetite-regulating hormones
.... In addition, short sleep was associated with low leptin and high ghrelin levels (ghrelin is a hormone thought to stimulate food intake). These hormonal differences are likely to increase appetite, which could be responsible for the increased BMI in short sleepers. These findings could explain, at least ...News tips from the 2005, 54th Annual Scientific Sessions of the American College of Cardiology
...nd function of the hormone leptin. Some mice were leptin deficient, while others had nonworking leptin receptors. Made by fat cells, leptin regulates appetite and energy balance. Normally, greater quan......n of bone metabolism. In some transgenic mice, low leptin levels are related to high bone mass. But interest...ingly, the raw food dieters had both low levels of leptin and low bone mass. In short, the people on the raw food diet are lighter with lower body fat. They h...