Sent_en: 2zh But the new meta-analysis shows that melatonin does indeed have positive effects on sleep—even though some of the analyzed studies also involved high doses of the hormone.
Sent_yy: 但新的荟萃分析表明，褪黑激素确实对睡眠产生了积极影响，尽管一些分析研究也涉及高剂量的激素。