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总结
以色列研究团队在《自然》发表对刺胞动物(如水母、海葵)的实验研究,发现这些早期分化的海洋无脊椎动物也存在可逆的“睡眠样”休息状态,并呈现不同昼夜节律类型。研究还指出,体内DNA损伤的累积会增强睡眠驱动力,而睡眠可能有助于修复与降低损伤。作者据此推断,睡眠在动物进化早期或已出现,可能承担保护基因组与维持神经功能的作用,为理解人类睡眠需求及相关疾病机制提供线索。
正文
Israeli study traces need for sleep over millions of years of evolution The Times of Israel DNA damage modulates sleep drive in basal cnidarians with divergent chronotypes Nature Jellyfish Snooze Like We Do, And It Could Explain The Origins of Sleep ScienceAlert Scientists Catch Jellyfish and Sea Anemones Behaving in Surprisingly Human Ways Scientific American The secret world of animal sleep Los Angeles Times
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