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Losing Sleep May Trigger Weight Gains

  • December 07, 2004

You may remember a study I posted last week that linked sleep deprivation with a higher risk of obesity. Two new studies released yesterday hammer home that same link. In one study that measured hormone levels, those who slept just four hours a night for two nights reduced the amount of leptin in their bodies by 18 percent and increased ghrelin levels by 28 percent. The young men who participated in the study and slept less usually ate more sweet and starchy foods, which include some...