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The ghrelin jab made volunteers ravenous for one to two hours .

胃饥饿素会使志愿者保持饥饿状态长达1到2小时。

Leptin tells your brain to stop eating , whereas ghrelin , produced in the stomach , stimulates hunger .

瘦蛋白告诉你的大脑停止进食，而在胃部产生的生长素会刺激饥饿。

Treatments that disrupt the effects of ghrelin might help combat obesity .

破坏ghrelin激素作用的疗法可能有助于战胜肥胖。

Sleep has an important effect on the hormones ghrelin and leptin , which control hunger and appetite .

睡眠对脑肠肽和瘦素这两种荷尔蒙有重要影响，而该两种荷尔蒙控制人的饥饿感和食欲。

Sleep deprivation slows your metabolism and affects the hunger hormones leptin and ghrelin .

睡眠不足会减慢你的新陈代谢并影响饥饿荷尔蒙瘦素和饥饿素。