其次，研究表明，睡眠少可能影响与食欲有关的荷尔蒙水平，导致过量饮食。 Research also suggests that sleep loss alters people's levels of appetite-regulating hormones - which could, in theory, spur them to overeat.
再次，海尔斯通表示，心情抑郁也可能是一个原因：心情抑郁会影响人们的睡眠，抑郁本身与体重相关。但是，她和同事们没有研究对象抑郁症状的相关信息。 Depression, which often affects people's sleep and has been linked to weight gain, could also be a factor, Hairston noted. She and her colleagues had no information on study participants' depression symptoms.
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