Van cauter ' s team found that when the 12 men in their study slept for four hours on two consecutive nights , their levels of leptin were 18 percent lower and their levels of ghrelin were 28 percent higher than they were after two nights of spending 10 hours in bed 实验发现，与连续两晚睡足10个小时相比，连续两晚只睡4小时的年轻男子，体内leptin的水平降低了18 % ，而ghrelin水平则上升了28 % 。
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Though more research is needed , the new findings suggest that " if you do not run a sleep debt , you will be able to curb your appetite more easily and maintain or lose weight , " study leader dr . eve van cauter , a professor of medicine at the university of chicago , told reuters health 负责此项研究的美国芝加哥大学医学教授伊夫考特博士说，尽管还需要进一步研究，但这项新的实验结果显示“如果不缺乏睡眠，那么你将可以轻松地控制食欲并成功地保持或降低体重” 。
